View image in fullscreenKatie Boulter serves to Carol Young Suh Lee during their first-round match.Photograph: Julian Finney/Getty ImagesShareView image in fullscreenSpectators watch the first-round match between Grigor Dimitrov and Alexei Popyrin.Photograph: Charly Triballeau/AFP/Getty ImagesShareView image in fullscreenNaomi Osaka arrives on court for her opening match against Anastasia Zakharova.Photograph: Adam Hunger/APShareView image in fullscreenThe Morgan State University marching band performs before Jessica Pegula and Sofia Kenin’s second-round match.Photograph: Kirsty Wigglesworth/APShareView image in fullscreenDaniil Medvedev throws a towel to fans after winning