WIMBLEDON 2021: Djokovic, Murray, Kvitova-Stephens on Day 1

Novak Djokovic attends a socially distanced online media conference from the Main Interview Room ahead of The Championships 2021, Wimbledon, in London, Saturday June 26, 2021. (Florian Eisele/Pool via AP)

Venus Williams of the US practices on the practice courts at Wimbledon prior to the Wimbledon Tennis Championships in London, Saturday June 26, 2021. (David Gray/Pool via AP)

A view of the empty No.1 Court, with its new roof, ahead of the Wimbledon Tennis Championships, in London, Sunday, June 27, 2021. (Simon Bruty/Pool Photo via AP)