FILE - In this July 25, 2021, file photo, Felix Auger-Aliassime, of Canada, plays against Max Purcell, of Australia, during the first round of the tennis competition at the 2020 Summer Olympics in Tokyo, Japan. In arenas across Tokyo, athletes accustomed to feeding off the deafening roar of the crowd are searching for new ways to feel Olympic enthusiasm. (AP Photo/Seth Wenig, File)

Sweat drips off the chin of Felix Auger-Aliassime, of Canada, as he plays against Max Purcell, of Australia, during the first round of the tennis competition at the 2020 Summer Olympics, Sunday, July 25, 2021, in Tokyo, Japan. (AP Photo/Seth Wenig)