Marketa Vondrousova, of the Czech Republic, plays Elina Svitolina, of the Ukraine, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Elina Svitolina, of the Ukraine, hits her racket on the net while playing Marketa Vondrousova, of the Czech Republic, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Elina Svitolina, of the Ukraine, plays Marketa Vondrousova, of the Czech Republic, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Elina Svitolina, of the Ukraine, stretches for a shot while playing Marketa Vondrousova, of the Czech Republic, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Marketa Vondrousova, of the Czech Republic, celebrates after defeating Elina Svitolina, of the Ukraine, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Marketa Vondrousova, of the Czech Republic, reacts while playing Elina Svitolina, of the Ukraine, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Marketa Vondrousova, of the Czech Republic, plays Elina Svitolina, of the Ukraine, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Marketa Vondrousova, of the Czech Republic, plays Elina Svitolina, of the Ukraine, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Elina Svitolina, of the Ukraine, plays Marketa Vondrousova, of the Czech Republic, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Elina Svitolina, of the Ukraine, reacts after losing a point while playing Marketa Vondrousova, of the Czech Republic, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Few people sit in the stands to watch the match between Elina Svitolina, of the Ukraine, and Marketa Vondrousova, of the Czech Republic, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Marketa Vondrousova, of the Czech Republic, celebrates after defeating Elina Svitolina, of the Ukraine, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Marketa Vondrousova, of the Czech Republic, plays Elina Svitolina, of the Ukraine, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Marketa Vondrousova, of the Czech Republic, plays Elina Svitolina, of the Ukraine, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Marketa Vondrousova, of the Czech Republic, plays Elina Svitolina, of the Ukraine, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Gold medalist Belinda Bencic, middle, of Switzerland, silver medalist Marketa Vondrousova, left, of the Czech Republic, and bronze medalist Elina Svitolina, of the Ukraine, pose following the women's single matches of the tennis competition at the 2020 Summer Olympics, Sunday, Aug. 1, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Gold medalist Belinda Bencic, middle, of Switzerland, silver medalist Marketa Vondrousova, left, of the Czech Republic, and bronze medalist Elina Svitolina, of the Ukraine, pose following the women's single matches of the tennis competition at the 2020 Summer Olympics, Sunday, Aug. 1, 2021, in Tokyo, Japan. (AP Photo/Patrick Semansky)

Gold medalist Belinda Bencic, middle, of Switzerland, silver medalist Marketa Vondrousova, left, of the Czech Republic, and bronze medalist Elina Svitolina, of the Ukraine, pose following the women's single matches of the tennis competition at the 2020 Summer Olympics, Sunday, Aug. 1, 2021, in Tokyo, Japan. (AP Photo/Patrick Semansky)