Highlights of 2019 Wimbledon Tennis Championships day 7

(190709) -- LONDON, July 9, 2019 (Xinhua) -- Petra Kvitova serves the ball during the women's singles fourth round match between Petra Kvitova of the Czech Republic and Johanna Konta of Britain at the 2019 Wimbledon Tennis Championships in London, Britain, July 8, 2019. (Xinhua/Lu Yang)