Shenzhen, Feb. 23 -- World No. 1 Lin Shidong of China suffered a seven-game upset in the men's singles semifinals, while Sun Yingsha cruised into the women's final at the Asian Cup table tennis tournament on Sunday.

The 19-year-old Lin, widely regarded as a potential successor to Chinese Olympic champions Ma Long and Fan Zhendong, squandered a two-game lead, falling in a five-game thriller to 28-year-old teammate Liang Jingkun 5-11, 7-11, 11-9, 11-9, 4-11, 11-9, 11-8.

Liang, who had staged multiple comeback victories in this tournament, said he fought for every point despite the odds.

Liang will face two-time Olympic gold medalist Wang Chuqin in an all-Chinese final on Sunday evening.

Wang secured his spot with a six-game victory ov...