Anastasia Pavlyuchenkova, of the Russian Olympic Committee, plays against Anna-Lena Friedsam, of Germany, during the second round of the tennis competition at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Anastasia Pavlyuchenkova, of the Russian Olympic Committee, plays against Anna-Lena Friedsam, of Germany, during the second round of the tennis competition at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Anastasia Pavlyuchenkova, of the Russian Olympic Committee, plays against Anna-Lena Friedsam, of Germany, during the second round of the tennis competition at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Anna-Lena Friedsam, of Germany, plays against Anastasia Pavlyuchenkova, of the Russian Olympic Committee, during the second round of the tennis competition at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)