Video PlayerClose
Serena Williams of the United States competes during the women's singles quarterfinal match with her compatriot Alison Riske at the 2019 Wimbledon Tennis Championships in London, Britain, on July 9, 2019. (Xinhua/Han Yan)
Serena Williams of the United States competes during the women's singles quarterfinal match with her compatriot Alison Riske at the 2019 Wimbledon Tennis Championships in London, Britain, on July 9, 2019. (Xinhua/Han Yan)