Djokovic, Murray through, Tsitsipas out at Wimbledon (2)

Sloane Stephens of the United States reacts during the women's singles first round match between Sloane Stephens of the United States and Petra Kvitova of Czech Republic at the 2021 Wimbledon Tennis Championships in London, Britain, on June 28, 2021. (Xinhua/Han Yan)