TOKYO, JAPAN - JULY 28: Anastasia Pavlyuchenkova of Russia competes with Belinda Bencic of Switzerland during their Tokyo 2020 Olympic Games women's singles quarterfinal tennis match at the Ariake Tennis Park in Tokyo, Japan on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Anastasia Pavlyuchenkova of Russia competes with Belinda Bencic of Switzerland during their Tokyo 2020 Olympic Games women's singles quarterfinal tennis match at the Ariake Tennis Park in Tokyo, Japan on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Anastasia Pavlyuchenkova of Russia competes with Belinda Bencic of Switzerland during their Tokyo 2020 Olympic Games women's singles quarterfinal tennis match at the Ariake Tennis Park in Tokyo, Japan on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Anastasia Pavlyuchenkova of Russia competes with Belinda Bencic of Switzerland during their Tokyo 2020 Olympic Games women's singles quarterfinal tennis match at the Ariake Tennis Park in Tokyo, Japan on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Anastasia Pavlyuchenkova of Russia competes with Belinda Bencic of Switzerland during their Tokyo 2020 Olympic Games women's singles quarterfinal tennis match at the Ariake Tennis Park in Tokyo, Japan on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Belinda Bencic of Switzerland competes with Anastasia Pavlyuchenkova of Russia during their Tokyo 2020 Olympic Games women's singles quarterfinal tennis match at the Ariake Tennis Park in Tokyo, Japan on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Anastasia Pavlyuchenkova of Russia competes with Belinda Bencic of Switzerland during their Tokyo 2020 Olympic Games women's singles quarterfinal tennis match at the Ariake Tennis Park in Tokyo, Japan on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Anastasia Pavlyuchenkova of Russia competes with Belinda Bencic of Switzerland during their Tokyo 2020 Olympic Games women's singles quarterfinal tennis match at the Ariake Tennis Park in Tokyo, Japan on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Anastasia Pavlyuchenkova of Russia competes with Belinda Bencic of Switzerland during their Tokyo 2020 Olympic Games women's singles quarterfinal tennis match at the Ariake Tennis Park in Tokyo, Japan on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Belinda Bencic of Switzerland competes with Anastasia Pavlyuchenkova of Russia during their Tokyo 2020 Olympic Games women's singles quarterfinal tennis match at the Ariake Tennis Park in Tokyo, Japan on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Belinda Bencic of Switzerland competes with Anastasia Pavlyuchenkova of Russia during their Tokyo 2020 Olympic Games women's singles quarterfinal tennis match at the Ariake Tennis Park in Tokyo, Japan on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Belinda Bencic of Switzerland competes with Anastasia Pavlyuchenkova of Russia during their Tokyo 2020 Olympic Games women's singles quarterfinal tennis match at the Ariake Tennis Park in Tokyo, Japan on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Anastasia Pavlyuchenkova of Russia competes with Belinda Bencic of Switzerland during their Tokyo 2020 Olympic Games women's singles quarterfinal tennis match at the Ariake Tennis Park in Tokyo, Japan on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Belinda Bencic of Switzerland competes with Anastasia Pavlyuchenkova of Russia during their Tokyo 2020 Olympic Games women's singles quarterfinal tennis match at the Ariake Tennis Park in Tokyo, Japan on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Anastasia Pavlyuchenkova of Russia competes with Belinda Bencic of Switzerland during their Tokyo 2020 Olympic Games women's singles quarterfinal tennis match at the Ariake Tennis Park in Tokyo, Japan on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Anastasia Pavlyuchenkova of Russia competes with Belinda Bencic of Switzerland during their Tokyo 2020 Olympic Games women's singles quarterfinal tennis match at the Ariake Tennis Park in Tokyo, Japan on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Anastasia Pavlyuchenkova of Russia competes with Belinda Bencic of Switzerland during their Tokyo 2020 Olympic Games women's singles quarterfinal tennis match at the Ariake Tennis Park in Tokyo, Japan on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Anastasia Pavlyuchenkova of Russia competes with Belinda Bencic of Switzerland during their Tokyo 2020 Olympic Games women's singles quarterfinal tennis match at the Ariake Tennis Park in Tokyo, Japan on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Anastasia Pavlyuchenkova of Russia competes with Belinda Bencic of Switzerland during their Tokyo 2020 Olympic Games women's singles quarterfinal tennis match at the Ariake Tennis Park in Tokyo, Japan on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Daniil Medvedev of the Russian Olympic Committee in action against Fabio Fognini of Italy during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Carreno-Busta (Spain) - Koepfer (Germany), Ariake Tennis Court. Dominik Koepfer plays a forehand. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Carreno-Busta (Spain) - Koepfer (Germany), Ariake Tennis Court. Dominik Koepfer plays a forehand. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Carreno-Busta (Spain) - Koepfer (Germany), Ariake Tennis Court. Dominik Koepfer plays a backhand. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Zverev (Germany) - Bassilashvili (Georgia), Ariake Tennis Court. Alexander Zverev cheers after his victory. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Zverev (Germany) - Bassilashvili (Georgia), Ariake Tennis Court. Drops of sweat fly through the air on a backhand from Alexander Zverev. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary Match, Singles, Men, Round of 16 Zverev (Germany) - Bassilashvili (Georgia), Ariake Tennis Court. Alexander Zverev reacts after a rally. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Carreno-Busta (Spain) - Koepfer (Germany), Ariake Tennis Court. Dominik Koepfer plays a backhand. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Carreno-Busta (Spain) - Koepfer (Germany), Ariake Tennis Court. Dominik Koepfer clenches his fist. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Carreno-Busta (Spain) - Koepfer (Germany), Ariake Tennis Court. Dominik Koepfer reacts to losing a point. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Carreno-Busta (Spain) - Koepfer (Germany), Ariake Tennis Court. Dominik Koepfer clenches his fist. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Carreno-Busta (Spain) - Koepfer (Germany), Ariake Tennis Court. Dominik Koepfer reacts to losing a point. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Carreno-Busta (Spain) - Koepfer (Germany), Ariake Tennis Court. Dominik Koepfer throws his racket to the ground. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Carreno-Busta (Spain) - Koepfer (Germany), Ariake Tennis Court. Dominik Koepfer throws his racket to the ground. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary Match, Singles, Men, Round of 16 Carreno-Busta (Spain) - Koepfer (Germany), Ariake Tennis Court. Dominik Koepfer stands at the net after his defeat. In the foreground Pablo Carreno-Busta is cheering. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Zverev (Germany) - Bassilashvili (Georgia), Ariake Tennis Court. Alexander Zverev plays a forehand. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary Match, Singles, Men, Round of 16 Zverev (Germany) - Bassilashvili (Georgia), Ariake Tennis Court. Alexander Zverev reacts after a rally. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Zverev (Germany) - Bassilashvili (Georgia), Ariake Tennis Court. Alexander Zverev looks over at his opponent. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Zverev (Germany) - Bassilashvili (Georgia), Ariake Tennis Court. Alexander Zverev plays a forehand. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Zverev (Germany) - Bassilashvili (Georgia), Ariake Tennis Court. Alexander Zverev goes to his bench. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Zverev (Germany) - Bassilashvili (Georgia), Ariake Tennis Court. Alexander Zverev plays a backhand. Photo: Marijan Murat/dpa

Kei Nishikori (JPN), JULY 28, 2021 - Tennis : Men's Singles 3rd Round during the Tokyo 2020 Olympic Games at the Ariake Tennis Park in Tokyo, Japan. (Photo by YUTAKA/AFLO SPORT)

Kei Nishikori (JPN), JULY 28, 2021 - Tennis : Men's Singles 3rd Round during the Tokyo 2020 Olympic Games at the Ariake Tennis Park in Tokyo, Japan. (Photo by YUTAKA/AFLO SPORT)

Kei Nishikori (JPN), JULY 28, 2021 - Tennis : Men's Singles 3rd Round during the Tokyo 2020 Olympic Games at the Ariake Tennis Park in Tokyo, Japan. (Photo by YUTAKA/AFLO SPORT)

Kei Nishikori (JPN), JULY 28, 2021 - Tennis : Men's Singles 3rd Round during the Tokyo 2020 Olympic Games at the Ariake Tennis Park in Tokyo, Japan. (Photo by YUTAKA/AFLO SPORT)

Kei Nishikori (JPN), JULY 28, 2021 - Tennis : Men's Singles 3rd Round during the Tokyo 2020 Olympic Games at the Ariake Tennis Park in Tokyo, Japan. (Photo by YUTAKA/AFLO SPORT)

Kei Nishikori (JPN), JULY 28, 2021 - Tennis : Men's Singles 3rd Round during the Tokyo 2020 Olympic Games at the Ariake Tennis Park in Tokyo, Japan. (Photo by YUTAKA/AFLO SPORT)

Kei Nishikori (JPN), JULY 28, 2021 - Tennis : Men's Singles 3rd Round during the Tokyo 2020 Olympic Games at the Ariake Tennis Park in Tokyo, Japan. (Photo by YUTAKA/AFLO SPORT)

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Carreno-Busta (Spain) - Koepfer (Germany), Ariake Tennis Court. Dominik Koepfer clenches his fist. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Carreno-Busta (Spain) - Koepfer (Germany), Ariake Tennis Court. Dominik Koepfer plays a backhand. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympia, Ariake Tennis Court. A helper is standing with a sign asking to follow the Corona rules. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Carreno-Busta (Spain) - Koepfer (Germany), Ariake Tennis Court. Dominik Koepfer packs his equipment after his defeat. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Zverev (Germany) - Bassilashvili (Georgia), Ariake Tennis Court. Alexander Zverev clenches his fist. Photo: Marijan Murat/dpa

210728 -- TOKYO, July 28, 2021 -- Daniil Medvedev of Russian Olympic Committee ROC competes during the men s singles third round match of tennis at Tokyo 2020 Olympic Games, Olympische Spiele, Olympia, OS in Tokyo, Japan, July 28, 2021. TOKYO2020JAPAN-TOKYO-OLY-TENNIS-MEN S SINGLES-MEDVEDEV VS FOGNINI ZhengxHuansong PUBLICATIONxNOTxINxCHN

210728 -- TOKYO, July 28, 2021 -- Daniil Medvedev of Russian Olympic Committee ROC serves during the men s singles third round match of tennis at Tokyo 2020 Olympic Games, Olympische Spiele, Olympia, OS in Tokyo, Japan, July 28, 2021. TOKYO2020JAPAN-TOKYO-OLY-TENNIS-MEN S SINGLES-MEDVEDEV VS FOGNINI ZhengxHuansong PUBLICATIONxNOTxINxCHN

TOKYO, JAPAN - JULY 28: Fabio Fognini of Italy in action against Daniil Medvedev of the Russian Olympic Committee during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Fabio Fognini of Italy in action against Daniil Medvedev of the Russian Olympic Committee during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Fabio Fognini of Italy in action against Daniil Medvedev of the Russian Olympic Committee during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Fabio Fognini of Italy in action against Daniil Medvedev of the Russian Olympic Committee during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Fabio Fognini of Italy in action against Daniil Medvedev of the Russian Olympic Committee during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Fabio Fognini of Italy in action against Daniil Medvedev of the Russian Olympic Committee during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 28: Fabio Fognini of Italy in action against Daniil Medvedev of the Russian Olympic Committee during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Zverev (Germany) - Bassilashvili (Georgia), Ariake Tennis Court. Drops of sweat fly through the air on a backhand from Alexander Zverev. Photo: Marijan Murat/dpa

210728 -- TOKYO, July 28, 2021 -- Daniil Medvedev of Russian Olympic Committee ROC serves during the men s singles third round match of tennis at Tokyo 2020 Olympic Games, Olympische Spiele, Olympia, OS in Tokyo, Japan, July 28, 2021. TOKYO2020JAPAN-TOKYO-OLY-TENNIS-MEN S SINGLES-MEDVEDEV VS FOGNINI ZhengxHuansong PUBLICATIONxNOTxINxCHN

210728 -- TOKYO, July 28, 2021 -- Fabio Fognini of Italy reacts during the men s singles third round match of tennis at Tokyo 2020 Olympic Games, Olympische Spiele, Olympia, OS in Tokyo, Japan, July 28, 2021. TOKYO2020JAPAN-TOKYO-OLY-TENNIS-MEN S SINGLES-MEDVEDEV VS FOGNINI ZhengxHuansong PUBLICATIONxNOTxINxCHN

210728 -- TOKYO, July 28, 2021 -- Daniil Medvedev of Russian Olympic Committee ROC serves during the men s singles third round match of tennis at Tokyo 2020 Olympic Games, Olympische Spiele, Olympia, OS in Tokyo, Japan, July 28, 2021. TOKYO2020XHTP-JAPAN-TOKYO-OLY-TENNIS-MEN S SINGLES-MEDVEDEV VS FOGNINI ZhengxHuansong PUBLICATIONxNOTxINxCHN

210728 -- TOKYO, July 28, 2021 -- Daniil Medvedev of Russian Olympic Committee ROC competes during the men s singles third round match of tennis at Tokyo 2020 Olympic Games, Olympische Spiele, Olympia, OS in Tokyo, Japan, July 28, 2021. TOKYO2020JAPAN-TOKYO-OLY-TENNIS-MEN S SINGLES-MEDVEDEV VS FOGNINI ZhengxHuansong PUBLICATIONxNOTxINxCHN

210728 -- TOKYO, July 28, 2021 -- Fabio Fognini of Italy competes during the men s singles third round match of tennis at Tokyo 2020 Olympic Games, Olympische Spiele, Olympia, OS in Tokyo, Japan, July 28, 2021. TOKYO2020JAPAN-TOKYO-OLY-TENNIS-MEN S SINGLES-MEDVEDEV VS FOGNINI ZhengxHuansong PUBLICATIONxNOTxINxCHN

210728 -- TOKYO, July 28, 2021 -- Daniil Medvedev of Russian Olympic Committee ROC serves during the men s singles third round match of tennis at Tokyo 2020 Olympic Games, Olympische Spiele, Olympia, OS in Tokyo, Japan, July 28, 2021. TOKYO2020JAPAN-TOKYO-OLY-TENNIS-MEN S SINGLES-MEDVEDEV VS FOGNINI ZhengxHuansong PUBLICATIONxNOTxINxCHN

210728 -- TOKYO, July 28, 2021 -- Daniil Medvedev of Russian Olympic Committee ROC celebrates after winning the men s singles third round match of tennis at Tokyo 2020 Olympic Games, Olympische Spiele, Olympia, OS in Tokyo, Japan, July 28, 2021. TOKYO2020JAPAN-TOKYO-OLY-TENNIS-MEN S SINGLES-MEDVEDEV VS FOGNINI ZhengxHuansong PUBLICATIONxNOTxINxCHN

210728 -- TOKYO, July 28, 2021 -- Fabio Fognini of Italy serves during the men s singles third round match of tennis at Tokyo 2020 Olympic Games, Olympische Spiele, Olympia, OS in Tokyo, Japan, July 28, 2021. TOKYO2020JAPAN-TOKYO-OLY-TENNIS-MEN S SINGLES-MEDVEDEV VS FOGNINI ZhengxHuansong PUBLICATIONxNOTxINxCHN

210728 -- TOKYO, July 28, 2021 -- Daniil Medvedev of Russian Olympic Committee ROC serves during the men s singles third round match of tennis at Tokyo 2020 Olympic Games, Olympische Spiele, Olympia, OS in Tokyo, Japan, July 28, 2021. TOKYO2020JAPAN-TOKYO-OLY-TENNIS-MEN S SINGLES-MEDVEDEV VS FOGNINI ZhengxHuansong PUBLICATIONxNOTxINxCHN

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Zverev (Germany) - Bassilashvili (Georgia), Ariake Tennis Court. Alexander Zverev cheers after his victory. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Zverev (Germany) - Bassilashvili (Georgia), Ariake Tennis Court. Alexander Zverev plays a backhand. Photo: Marijan Murat/dpa

28 July 2021, Japan, Tokio: Tennis: Olympics, Preliminary, Singles, Men, Round of 16 Zverev (Germany) - Bassilashvili (Georgia), Ariake Tennis Court. Alexander Zverev serves. Photo: Marijan Murat/dpa

TOKYO, JAPAN - JULY 28: Fabio Fognini of Italy in action against Daniil Medvedev of the Russian Olympic Committee during their Tokyo 2020 Olympic Games men's singles third round tennis match at the Ariake Tennis Park in Tokyo on July 28, 2021. Stringer / Anadolu Agency/ABACAPRESS.COM

ROTTERDAM - (lr) Feyenoord keeper Justin Bijlow during Feyenoord's training in De Kuip. The team is preparing for the home game in the Conference League against FC Drita. ANP TOM BODE

210727 -- TOKYO, July 27, 2021 -- Stefanos Tsitsipas of Greece competes during the men s singles second round match of tennis at Tokyo 2020 Olympic Games, Olympische Spiele, Olympia, OS in Tokyo, Japan, July 27, 2021. TOKYO2020JAPAN-TOKYO-OLY-TENNIS-MEN S SINGLES DaixTianfang PUBLICATIONxNOTxINxCHN

210727 -- TOKYO, July 27, 2021 -- Stefanos Tsitsipas of Greece reacts during the men s singles second round match of tennis at Tokyo 2020 Olympic Games, Olympische Spiele, Olympia, OS in Tokyo, Japan, July 27, 2021. TOKYO2020JAPAN-TOKYO-OLY-TENNIS-MEN S SINGLES DaixTianfang PUBLICATIONxNOTxINxCHN

210727 -- TOKYO, July 27, 2021 -- Stefanos Tsitsipas of Greece competes during the men s singles second round match of tennis at Tokyo 2020 Olympic Games, Olympische Spiele, Olympia, OS in Tokyo, Japan, July 27, 2021. TOKYO2020JAPAN-TOKYO-OLY-TENNIS-MEN S SINGLES DaixTianfang PUBLICATIONxNOTxINxCHN

210727 -- TOKYO, July 27, 2021 -- Japan s Osaka Naomi reacts during the women s singles third round match of tennis at Tokyo 2020 Olympic Games, Olympische Spiele, Olympia, OS in Tokyo, Japan, July 27, 2021. TOKYO2020JAPAN-TOKYO-OLY-TENNIS-WOMEN S SINGLES DaixTianfang PUBLICATIONxNOTxINxCHN

210727 -- TOKYO, July 27, 2021 -- Czech s Marketa Vondrousova reacts during the women s singles third round match of tennis at Tokyo 2020 Olympic Games, Olympische Spiele, Olympia, OS in Tokyo, Japan, July 27, 2021. TOKYO2020JAPAN-TOKYO-OLY-TENNIS-WOMEN S SINGLES DaixTianfang PUBLICATIONxNOTxINxCHN

27 July 2021, Japan, Tokio: Tennis: Olympia, Men, Doubles, 2nd Round, Krawietz/Putz (Germany) v Murray/Salisbury (Great Britain), Ariake Tennis Court. Kevin Krawietz (back) and Tim Putz in action. Photo: Marijan Murat/dpa

27 July 2021, Japan, Tokio: Tennis: Olympia, Men, Doubles, 2nd Round, Krawietz/Putz (Germany) v Murray/Salisbury (Great Britain), Ariake Tennis Court. Kevin Krawietz (r) and Tim Putz discuss. Photo: Marijan Murat/dpa

27 July 2021, Japan, Tokio: Tennis: Olympia, Men, Doubles, 2nd Round, Krawietz/Putz (Germany) v Murray/Salisbury (Great Britain), Ariake Tennis Court. Kevin Krawietz (l) and Tim Putz in action. Photo: Marijan Murat/dpa

27 July 2021, Japan, Tokio: Tennis: Olympia, Men, Doubles, 2nd Round, Krawietz/Putz (Germany) v Murray/Salisbury (Great Britain), Ariake Tennis Court. Kevin Krawietz (r) and Tim Putz in action. Photo: Marijan Murat/dpa

210727 -- TOKYO, July 27, 2021 -- Czech s Marketa Vondrousova competes during the women s singles third round match of tennis at Tokyo 2020 Olympic Games, Olympische Spiele, Olympia, OS in Tokyo, Japan, July 27, 2021. TOKYO2020JAPAN-TOKYO-OLY-TENNIS-WOMEN S SINGLES DaixTianfang PUBLICATIONxNOTxINxCHN

210727 -- TOKYO, July 27, 2021 -- Japan s Osaka Naomi competes during the women s singles third round match of tennis at Tokyo 2020 Olympic Games, Olympische Spiele, Olympia, OS in Tokyo, Japan, July 27, 2021. TOKYO2020XHTP-JAPAN-TOKYO-OLY-TENNIS-WOMEN S SINGLES DaixTianfang PUBLICATIONxNOTxINxCHN

210727 -- TOKYO, July 27, 2021 -- Japan s Osaka Naomi reacts during the women s singles third round match of tennis at Tokyo 2020 Olympic Games, Olympische Spiele, Olympia, OS in Tokyo, Japan, July 27, 2021. TOKYO2020JAPAN-TOKYO-OLY-TENNIS-WOMEN S SINGLES DaixTianfang PUBLICATIONxNOTxINxCHN

210727 -- TOKYO, July 27, 2021 -- Czech s Marketa Vondrousova reacts during the women s singles third round match of tennis at Tokyo 2020 Olympic Games, Olympische Spiele, Olympia, OS in Tokyo, Japan, July 27, 2021. TOKYO2020JAPAN-TOKYO-OLY-TENNIS-WOMEN S SINGLES DaixTianfang PUBLICATIONxNOTxINxCHN

27 July 2021, Japan, Tokio: Tennis: Olympia, Men, Doubles, 2nd Round, Krawietz/Putz (Germany) against Murray/Salisbury (Great Britain), Ariake Tennis Court. Kevin Krawietz (r) and Tim Putz are on the court. Photo: Marijan Murat/dpa

210727 -- TOKYO, July 27, 2021 -- Japan s Osaka Naomi competes during the women s singles third round match of tennis at Tokyo 2020 Olympic Games, Olympische Spiele, Olympia, OS in Tokyo, Japan, July 27, 2021. TOKYO2020JAPAN-TOKYO-OLY-TENNIS-WOMEN S SINGLES DaixTianfang PUBLICATIONxNOTxINxCHN

210727 -- TOKYO, July 27, 2021 -- Czech s Marketa Vondrousova reacts during the women s singles third round match of tennis at Tokyo 2020 Olympic Games, Olympische Spiele, Olympia, OS in Tokyo, Japan, July 27, 2021. TOKYO2020JAPAN-TOKYO-OLY-TENNIS-WOMEN S SINGLES DaixTianfang PUBLICATIONxNOTxINxCHN

TOKYO, JAPAN - JULY 26: Daniil Medvedev of Russia in action against Sumit Nagal (not seen) of India during men's singles second round tennis match within the Tokyo 2020 Olympic Games in Tokyo, Japan on July 26, 2021. Dimitris Isevidis / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 26: Daniil Medvedev of Russia in action against Sumit Nagal (not seen) of India during men's singles second round tennis match within the Tokyo 2020 Olympic Games in Tokyo, Japan on July 26, 2021. Dimitris Isevidis / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 26: Daniil Medvedev of Russia in action against Sumit Nagal (not seen) of India during men's singles second round tennis match within the Tokyo 2020 Olympic Games in Tokyo, Japan on July 26, 2021. Dimitris Isevidis / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 26: Daniil Medvedev of Russia in action against Sumit Nagal (not seen) of India during men's singles second round tennis match within the Tokyo 2020 Olympic Games in Tokyo, Japan on July 26, 2021. Dimitris Isevidis / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 26: Sumit Nagal of India in action against Daniil Medvedev (not seen) of Russia during men's singles second round tennis match within the Tokyo 2020 Olympic Games in Tokyo, Japan on July 26, 2021. Dimitris Isevidis / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 26: Daniil Medvedev of Russia in action against Sumit Nagal (not seen) of India during men's singles second round tennis match within the Tokyo 2020 Olympic Games in Tokyo, Japan on July 26, 2021. Dimitris Isevidis / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 26: Daniil Medvedev of Russia in action against Sumit Nagal (not seen) of India during men's singles second round tennis match within the Tokyo 2020 Olympic Games in Tokyo, Japan on July 26, 2021. Dimitris Isevidis / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 26: Daniil Medvedev of Russia in action against Sumit Nagal (not seen) of India during men's singles second round tennis match within the Tokyo 2020 Olympic Games in Tokyo, Japan on July 26, 2021. Dimitris Isevidis / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 26: Daniil Medvedev of Russia in action against Sumit Nagal (not seen) of India during men's singles second round tennis match within the Tokyo 2020 Olympic Games in Tokyo, Japan on July 26, 2021. Dimitris Isevidis / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 26: Daniil Medvedev (R) of Russia in action against Sumit Nagal (L) of India during men's singles second round tennis match within the Tokyo 2020 Olympic Games in Tokyo, Japan on July 26, 2021. Dimitris Isevidis / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 26: Misaki Doi of Japan in action against Belinda Bencic (not seen) of Switzerland during their Tokyo 2020 Olympic Games women's singles second round tennis match in Tokyo, Japan on July 26, 2021. Dimitris Isevidis / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - JULY 26: Belinda Bencic of Switzerland in action against Misaki Doi (not seen) of Japan during their Tokyo 2020 Olympic Games women's singles second round tennis match in Tokyo, Japan on July 26, 2021. Dimitris Isevidis / Anadolu Agency/ABACAPRESS.COM