Basel-Chinese best men's singles player Lin Dan will face Chen Jin again in Swiss Open semi-final. It is the same with 2009 All England semi-final. Lin Dan progressed to the semi-final after vanquishing Hsieh Yu-Hsin 21-16, 21-14. Meanwhile, third-seeded Chen Jin downed English Andrew Smith in an easy 21-10, 21-5 win.
The other semi-final contenders are Lee Chong Wei versus Jan O Jorgensen. Lee Chong Wei of Malaysia defeated Indonesian Taufik Hidayat in rubber sets, 21-23, 21-12, and 21-19, while Jorgensen subdued another Malaysian, Sairul Ayob, 21-18 and 21-16.