BIRMINGHAM, England, March 7 : Taiwan's Lin Chun-yi stunned Thai second seed Kunlavut Vitidsarn 21-14 18-21 21-16 in the All England Open semi-finals on Saturday and faces India's Lakshya Sen in the showpiece match. Sen, 24, booked his place in the final after overcoming Canada's Victor Lai 21-16 18-21 21-15, recovering well after dropping the second game. With defending champion and top seed Shi Yuqi knocked out in the opening round by Sen, the men's draw at the Super 1,000 event opened up