Zheng Qinwen of China loses at Wimbledon in first round
LONDON (AP) — Zheng Qinwen became the second top-five seed to lose in the first round at Wimbledon on Tuesday when the Olympic gold medalist fell to Katerina Siniakova 7-5, 4-6, 6-1. The 22-year-old Chinese player was the No. 5 seed at the All England Club and her loss came hours after third-seeded Jessica Pegula…