Elena Rybakina, of Kazakhstan, reacts while playing Belinda Bencic, of Switzerland, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Belinda Bencic, of Switzerland, plays Elena Rybakina, of Kazakhstan, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Belinda Bencic, of Switzerland, plays Elena Rybakina, of Kazakhstan, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Belinda Bencic, of Switzerland, plays Elena Rybakina, of Kazakhstan, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Elena Rybakina, of Kazakhstan, plays Belinda Bencic, of Switzerland, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Belinda Bencic, of Switzerland, reacts after winning a set against Elena Rybakina, of Kazakhstan, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Belinda Bencic, of Switzerland, throws her racket after losing a point while playing Elena Rybakina, of Kazakhstan, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Belinda Bencic, of Switzerland, plays Elena Rybakina, of Kazakhstan, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Belinda Bencic, of Switzerland, throws her racket after losing a point while playing Elena Rybakina, of Kazakhstan, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Elena Rybakina, of Kazakhstan, plays Belinda Bencic, of Switzerland, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Elena Rybakina, of Kazakhstan, reacts while playing Belinda Bencic, of Switzerland, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Belinda Bencic, of Switzerland, right, plays Elena Rybakina, of Kazakhstan, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Belinda Bencic, of Switzerland, throws her racket after losing a point while playing Elena Rybakina, of Kazakhstan, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Elena Rybakina, of Kazakhstan, plays Belinda Bencic, of Switzerland, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Belinda Bencic, of Switzerland, reacts while playing Elena Rybakina, of Kazakhstan, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Belinda Bencic, of Switzerland, reacts after defeating Elena Rybakina, of Kazakhstan, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Belinda Bencic, of Switzerland, left, greets Elena Rybakina, of Kazakhstan, after Bencic defeated her during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Belinda Bencic, of Switzerland, becomes emotional after defeating Elena Rybakina, of Kazakhstan, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Belinda Bencic, of Switzerland, reacts after defeating Elena Rybakina, of Kazakhstan, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Elena Rybakina, of Kazakhstan, plays Belinda Bencic, of Switzerland, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Belinda Bencic, of Switzerland, reacts after defeating Elena Rybakina, of Kazakhstan, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Belinda Bencic, of Switzerland, reacts after defeating Elena Rybakina, of Kazakhstan, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Belinda Bencic, of Switzerland, reacts after defeating Elena Rybakina, of Kazakhstan, during the semifinals of the tennis competition at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)