LONDON, ENGLAND – JUNE 29: Serena Williams of The United States reacts in pain as she prepares to serve in her Ladies’ Singles First Round match against Aliaksandra Sasnovich of Belarus during Day Two of The Championships – Wimbledon 2021 at All England Lawn Tennis and Croquet Club on June 29, 2021 in London, England.
CREDIT: Julian Finney/Getty Images