USA's Bethanie Mattek-Sands, right, and Poland's Iga Swiatek return the ball to Czech Republic's Barbora Krejcikova and compatriot Katerina Siniakova during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

USA's Bethanie Mattek-Sands, and Poland's Iga Swiatek, top, return the ball to Czech Republic's Barbora Krejcikova and compatriot Katerina Siniakova during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

USA's Bethanie Mattek-Sands, and Poland's Iga Swiatek, below, return the ball to Czech Republic's Barbora Krejcikova and compatriot Katerina Siniakova during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

USA's Bethanie Mattek-Sands, left, and Poland's Iga Swiatek return the ball to Czech Republic's Barbora Krejcikova and compatriot Katerina Siniakova during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Czech Republic's Barbora Krejcikova, front, and compatriot Katerina Siniakova play USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Czech Republic's Barbora Krejcikova, left, and compatriot Katerina Siniakova return the ball to USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Czech Republic's Barbora Krejcikova volleys the ball as she plays with compatriot Katerina Siniakova again USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Czech Republic's Barbora Krejcikova,right, and compatriot Katerina Siniakova celebrate winning a point as they play USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Czech Republic's Barbora Krejcikova volleys the ball as she plays with compatriot Katerina Siniakova again USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Czech Republic's Barbora Krejcikova volleys the ball as she plays with compatriot Katerina Siniakova again USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Czech Republic's Barbora Krejcikova, left, and compatriot Katerina Siniakova celebrate as they defeat USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Czech Republic's Barbora Krejcikova, left, hugs compatriot Katerina Siniakova as they defeat USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Czech Republic's Barbora Krejcikova, right, and compatriot Katerina Siniakova wave after they defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Czech Republic's Barbora Krejcikova, right, hugs compatriot Katerina Siniakova as they defeat USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Czech Republic's Barbora Krejcikova, left, and compatriot Katerina Siniakova walk together after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek during their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Czech Republic's Barbora Krejcikova, right, and compatriot Katerina Siniakova kiss the cup after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek in their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus), APTOPIX

Czech Republic's Barbora Krejcikova, right, and compatriot Katerina Siniakova hold the cup after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek in their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Czech Republic's Barbora Krejcikova, right, and compatriot Katerina Siniakova jump while holding the cup after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek in their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Czech Republic's Barbora Krejcikova, right, and compatriot Katerina Siniakova kiss the cup after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek in their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Czech Republic's Barbora Krejcikova, second left, and compatriot Katerina Siniakova, left, USA's Bethanie Mattek-Sands, second right, and Poland's Iga Swiatek hold their trophies after their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. Czech Republic's Barbora Krejcikova playing with fellow Cezch player Katerina Siniakova, won the doubles final 6-4, 6-2. (AP Photo/Thibault Camus)

Czech Republic's Barbora Krejcikova, right, and compatriot Katerina Siniakova jump while holding the cup after defeating USA's Bethanie Mattek-Sands and Poland's Iga Swiatek in their women's doubles final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. Czech Republic's Barbora Krejcikova playing with fellow Cezch player Katerina Siniakova, won the doubles final 6-4, 6-2. (AP Photo/Thibault Camus)

Stefanos Tsitsipas of Greece backhands to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Serbia's Novak Djokovic backhands to Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

Serbia's Novak Djokovic reaches for the ball as he plays Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

Stefanos Tsitsipas of Greece checks the tennis ball as he plays Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Stefanos Tsitsipas of Greece returns the ball to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

Stefanos Tsitsipas of Greece returns the ball to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Serbia's Novak Djokovic stretches to return the ball to Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

Serbia's Novak Djokovic wipes his face as he plays Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

Stefanos Tsitsipas of Greece returns the ball to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Serbia's Novak Djokovic returns the ball to Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Serbia's Novak Djokovic serves to Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Stefanos Tsitsipas of Greece clenches his fist as he plays Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Stefanos Tsitsipas of Greece slams a forehand to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Stefanos Tsitsipas of Greece serves to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Serbia's Novak Djokovic backhands to Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Stefanos Tsitsipas of Greece plays a forehand to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Serbia's Novak Djokovic lays on the clay after falling as he plays Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Serbia's Novak Djokovic lays on the clay after falling as he plays Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Stefanos Tsitsipas of Greece serves to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

Stefanos Tsitsipas of Greece returns the ball to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

Stefanos Tsitsipas of Greece serves the ball to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

Serbia's Novak Djokovic falls as he plays Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

Serbia's Novak Djokovic wipes his forehead as he plays Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

Serbia's Novak Djokovic falls as he plays Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

Serbia's Novak Djokovic serves to Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

Stefanos Tsitsipas of Greece returns a backhand to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Serbia's Novak Djokovic grimaces after falling as he plays Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Serbia's Novak Djokovic backhands to Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Serbia's Novak Djokovic wipes his face as he plays Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Serbia's Novak Djokovic's coach Marian Vajda puts on his mask as Djokovic plays Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Serbia's Novak Djokovic clenches his fist as he plays Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Serbia's Novak Djokovic returns the ball to Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Serbia's Novak Djokovic wipes his face as he plays Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Stefanos Tsitsipas of Greece backhands to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Stefanos Tsitsipas of Greece backhands to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Serbia's Novak Djokovic slams a forehand to Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Serbia's Novak Djokovic reacts as he plays Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Serbia's Novak Djokovic reacts as he plays Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Stefanos Tsitsipas of Greece clenches his fist as he plays Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Stefanos Tsitsipas of Greece clenches his fist as he plays Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Stefanos Tsitsipas of Greece returns the ball to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Serbia's Novak Djokovic returns the ball to Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

Serbia's Novak Djokovic misses a ball as he plays Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

Serbia's Novak Djokovic returns the ball to Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

Serbia's Novak Djokovic adjusts his cap as he plays Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

Serbia's Novak Djokovic smashes the ball to Stefanos Tsitsipas of Greece, top, during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

Serbia's Novak Djokovic returns the ball to Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena), APTOPIX

Stefanos Tsitsipas of Greece reacts as he plays Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Serbia's Novak Djokovic's coach Marian Vajda applauds as Djokovic plays Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Stefanos Tsitsipas of Greece reacts as he plays Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Stefanos Tsitsipas of Greece falls on the clay as he plays Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus), APTOPIX

Stefanos Tsitsipas of Greece returns the ball to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Stefanos Tsitsipas of Greece returns the ball to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Stefanos Tsitsipas of Greece has his jersey dusted with clay after he fell while playing Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Stefanos Tsitsipas of Greece returns the ball to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Stefanos Tsitsipas of Greece celebrates winning a point as he plays Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Stefanos Tsitsipas of Greece reacts as he plays Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Stefanos Tsitsipas of Greece backhands to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

Serbia's Novak Djokovic slams a forehand to Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Serbia's Novak Djokovic slams a forehand to Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Serbia's Novak Djokovic returns the ball to Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Serbia's Novak Djokovic reacts as he plays Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

Tennis lovers support Stefanos Tsitsipas of Greece as he plays Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

Stefanos Tsitsipas of Greece reaches for the ball as he plays Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena), APTOPIX

Stefanos Tsitsipas of Greece celebrates a winning point as he plays Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Stefanos Tsitsipas of Greece returns the ball to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Stefanos Tsitsipas of Greece returns the ball to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Stefanos Tsitsipas of Greece returns the ball to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Stefanos Tsitsipas of Greece returns the ball to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Serbia's Novak Djokovic serves the ball to Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

Stefanos Tsitsipas of Greece reacts as he plays Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Serbia's Novak Djokovic returns the ball to Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Stefanos Tsitsipas of Greece backhands to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Serbia's Novak Djokovic reacts as he plays Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Stefanos Tsitsipas of Greece backhands to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

Serbia's Novak Djokovic wipes his face as he plays Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Serbia's Novak Djokovic slams a forehand to Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Stefanos Tsitsipas of Greece pauses as he plays Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Serbia's Novak Djokovic slams a forehand to Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Stefanos Tsitsipas of Greece reaches for the ball to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Stefanos Tsitsipas of Greece clenches his fist as he plays Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Stefanos Tsitsipas of Greece serves the ball to Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Serbia's Novak Djokovic serves the ball to Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

Serbia's Novak Djokovic returns a ball to Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Thibault Camus)

Serbia's Novak Djokovic reacts as he plays Stefanos Tsitsipas of Greece during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

A supporter of Stefanos Tsitsipas of Greece waves a Greek flag as he plays Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Christophe Ena)

A physiotherapist takes care of Stefanos Tsitsipas of Greece as he plays Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

A physiotherapist takes care of Stefanos Tsitsipas of Greece as he plays Serbia's Novak Djokovic during their final match of the French Open tennis tournament at the Roland Garros stadium Sunday, June 13, 2021 in Paris. (AP Photo/Michel Euler)

France's Luca van Assche celebrates as he defeats compatriot Arthur Fils in their boys final match of the French Open tennis tournament at the Roland Garros stadium Saturday, June 12, 2021 in Paris. (AP Photo/Christophe Ena)

France's Luca van Assche celebrates as he defeats compatriot Arthur Fils in their boys final match of the French Open tennis tournament at the Roland Garros stadium Saturday, June 12, 2021 in Paris. (AP Photo/Christophe Ena)

France's Luca van Assche returns the ball to compatriot Arthur Fils in their boys final match of the French Open tennis tournament at the Roland Garros stadium Saturday, June 12, 2021 in Paris. (AP Photo/Christophe Ena)

France's Luca van Assche returns the ball to compatriot Arthur Fils in their boys final match of the French Open tennis tournament at the Roland Garros stadium Saturday, June 12, 2021 in Paris. (AP Photo/Christophe Ena)

Winner France's Luca van Assche, right, and compatriot Arthur Fils hold their trophy after their boys final match of the French Open tennis tournament at the Roland Garros stadium Saturday, June 12, 2021 in Paris. (AP Photo/Christophe Ena)

Czech Republic's Linda Noskova serves to Russia's Erika Andrea during their girls final match of the French Open tennis tournament at the Roland Garros stadium Saturday, June 12, 2021 in Paris. (AP Photo/Christophe Ena)

Czech Republic's Linda Noskova shows her trophy after defeating Russia's Erika Andrea in their girls final match of the French Open tennis tournament at the Roland Garros stadium Saturday, June 12, 2021 in Paris. (AP Photo/Christophe Ena)

Czech Republic's Linda Noskova lifts her trophy after defeating Russia's Erika Andrea in their girls final match of the French Open tennis tournament at the Roland Garros stadium Saturday, June 12, 2021 in Paris. (AP Photo/Christophe Ena)

Winner Czech Republic's Linda Noskova , right, and Russia's Erika Andreeva pose with their trophies after their girls final match of the French Open tennis tournament at the Roland Garros stadium Saturday, June 12, 2021 in Paris. (AP Photo/Christophe Ena)

Czech Republic's Linda Noskova reacts as she defeats Russia's Erika Andreeva in their girls final match of the French Open tennis tournament at the Roland Garros stadium Saturday, June 12, 2021 in Paris. (AP Photo/Christophe Ena)

Czech Republic's Linda Noskova reacts as she defeats Russia's Erika Andreeva in their girls final match of the French Open tennis tournament at the Roland Garros stadium Saturday, June 12, 2021 in Paris. (AP Photo/Christophe Ena)

Czech Republic's Linda Noskova backhands to Russia's Erika Andreeva during their girls final match of the French Open tennis tournament at the Roland Garros stadium Saturday, June 12, 2021 in Paris. (AP Photo/Christophe Ena)

Czech Republic's Linda Noskova returns the ball to Russia's Erika Andreeva during their girls final match of the French Open tennis tournament at the Roland Garros stadium Saturday, June 12, 2021 in Paris. (AP Photo/Christophe Ena)

Russia's Erika Andreeva returns the ball to Czech Republic's Linda Noskova during their girls final match of the French Open tennis tournament at the Roland Garros stadium Saturday, June 12, 2021 in Paris. (AP Photo/Christophe Ena)

Czech Republic's Barbora Krejcikova, right, and Russia's Anastasia Pavlyuchenkova pose before their final match of the French Open tennis tournament at the Roland Garros stadium Saturday, June 12, 2021 in Paris. (AP Photo/Michel Euler)

Russia's Anastasia Pavlyuchenkova returns the ball to Czech Republic's Barbora Krejcikova during their final match of the French Open tennis tournament at the Roland Garros stadium Saturday, June 12, 2021 in Paris. (AP Photo/Michel Euler)

Russia's Anastasia Pavlyuchenkova returns the ball to Czech Republic's Barbora Krejcikova during their final match of the French Open tennis tournament at the Roland Garros stadium Saturday, June 12, 2021 in Paris. (AP Photo/Michel Euler)

Czech Republic's Barbora Krejcikova returns the ball to Russia's Anastasia Pavlyuchenkova during their final match of the French Open tennis tournament at the Roland Garros stadium Saturday, June 12, 2021 in Paris. (AP Photo/Michel Euler)

Czech Republic's Barbora Krejcikova returns the ball to Russia's Anastasia Pavlyuchenkova during their final match of the French Open tennis tournament at the Roland Garros stadium Saturday, June 12, 2021 in Paris. (AP Photo/Michel Euler)