Huzhou, China: Teenage amateur An Tong upstaged her professional rivals by winning the Hangzhou International Championship in spectacular fashion. In the RMB1.2 million tournament that pitted the women of the China LPGA Tour against the men of the China Tour in four rounds of stroke play, Tianjin native An overcame a three-stroke deficit at the start of the day with a closing eight-under 64. That gave the 16-year-old a 72-hole aggregate of 22-under 266 at Moganshan Gowin Golf Club in Zhejiang Province, two strokes ahead of CLPGA Tour rookie pro Fan Shuangshuang. Fan, a 17-year-old from Chongqing, claimed the RMB180,000…