Tennis mixed doubles has its moment at the Olympics
United States mixed doubles team of Bethanie Mattek-Sands, right, and Rajeev Ram play a German team during the first round of the tennis competition at the 2020 Summer Olympics, Wednesday, July 28, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

United States mixed doubles team of Bethanie Mattek-Sands, right, and Rajeev Ram play a German team during the first round of the tennis competition at the 2020 Summer Olympics, Wednesday, July 28, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Jul. 28, 2021 08:15 AM EDT
Nina Sojanovic, left, and Novak Djokovic, of Serbia, high five during a first round mixed doubles tennis match against Luisa Stefani and Marcelo Melo, of Brazil, at the 2020 Summer Olympics, Wednesday, July 28, 2021, in Tokyo, Japan. (AP Photo/Patrick Semansky)

Nina Sojanovic, left, and Novak Djokovic, of Serbia, high five during a first round mixed doubles tennis match against Luisa Stefani and Marcelo Melo, of Brazil, at the 2020 Summer Olympics, Wednesday, July 28, 2021, in Tokyo, Japan. (AP Photo/Patrick Semansky)

Jul. 28, 2021 07:16 AM EDT
John Peers, left, and Ashleigh Barty, of Australia, prepare to return to Maria Sakkari and Stefanos Tsitsipas, of Greece, during a mixed doubles quarterfinal tennis match at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Patrick Semansky)

John Peers, left, and Ashleigh Barty, of Australia, prepare to return to Maria Sakkari and Stefanos Tsitsipas, of Greece, during a mixed doubles quarterfinal tennis match at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Patrick Semansky)

Jul. 29, 2021 08:49 AM EDT
Maria Sakkari, left, and Stefanos Tsitsipas, of Greece, speak during a first round mixed doubles tennis match against Gabriela Dabrowski and Felix Auger-Aliassime, of Canada, at the 2020 Summer Olympics, Wednesday, July 28, 2021, in Tokyo, Japan. (AP Photo/Patrick Semansky)

Maria Sakkari, left, and Stefanos Tsitsipas, of Greece, speak during a first round mixed doubles tennis match against Gabriela Dabrowski and Felix Auger-Aliassime, of Canada, at the 2020 Summer Olympics, Wednesday, July 28, 2021, in Tokyo, Japan. (AP Photo/Patrick Semansky)

Jul. 28, 2021 06:36 AM EDT
The Russian Olympic Committee mixed doubles team of Elena Vesina, right, and Aslan Karatsev celebrate after winning their semifinals match of the tennis competition at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

The Russian Olympic Committee mixed doubles team of Elena Vesina, right, and Aslan Karatsev celebrate after winning their semifinals match of the tennis competition at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Jul. 30, 2021 09:03 AM EDT
The Russian Olympic Committee mixed doubles team of Anastasia Pavlyuchenkova, left, and Andrey Rublev, play during a semifinals match of the tennis competition at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

The Russian Olympic Committee mixed doubles team of Anastasia Pavlyuchenkova, left, and Andrey Rublev, play during a semifinals match of the tennis competition at the 2020 Summer Olympics, Friday, July 30, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Jul. 30, 2021 06:28 AM EDT
Novak Djokovic, right, and Nina Sojanovic, of Serbia, return to Luisa Stefani, bottom right, and Marcelo Melo, of Brazil, during a first round mixed doubles tennis match at the 2020 Summer Olympics, Wednesday, July 28, 2021, in Tokyo, Japan. (AP Photo/Patrick Semansky)

Novak Djokovic, right, and Nina Sojanovic, of Serbia, return to Luisa Stefani, bottom right, and Marcelo Melo, of Brazil, during a first round mixed doubles tennis match at the 2020 Summer Olympics, Wednesday, July 28, 2021, in Tokyo, Japan. (AP Photo/Patrick Semansky)

Jul. 28, 2021 07:19 AM EDT
Stefanos Tsitsipas, left, and Maria Sakkari, of Greece, bump fists during a mixed doubles quarterfinal tennis match against Ashleigh Barty and John Peers, of Australia, at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Patrick Semansky)

Stefanos Tsitsipas, left, and Maria Sakkari, of Greece, bump fists during a mixed doubles quarterfinal tennis match against Ashleigh Barty and John Peers, of Australia, at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Patrick Semansky)

Jul. 29, 2021 08:50 AM EDT