Naomi Osaka of Japan reacts during her match against Karolina Muchova of the Czech Republic during their match at the Madrid Open tennis tournament in Madrid, Spain, Sunday, May 2, 2021. (AP Photo/Paul White)

Naomi Osaka of Japan arrives on court for her match against Karolina Muchova of the Czech Republic during their match at the Madrid Open tennis tournament in Madrid, Spain, Sunday, May 2, 2021. (AP Photo/Paul White)