LONDON, July 1 (Xinhua) -- The women's singles eighth seed Zheng Qinwen from China was upset by qualifier Lulu Sun of New Zealand in the opening round at the Wimbledon Championships on Monday.
Zheng, 21, took the first set 6-4 without too much trouble but was broken soon when the second set began. The world No. 8 made eight double faults in all before losing the following two sets 6-2, 6-4, suffering a first-rou
