Anett Kontaveit, of Estonia, plays against Maria Sakkari, of Greece, during the first round of the tennis competition at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)

Maria Sakkari, of Greece, reacts as she wins her match against KONTAVEIT Anett Kontaveit, of Estonia, during the first round of the tennis competion at the 2020 Summer Olympics, Saturday, July 24, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)