2008 Olympic gold medalist Lin Dan is looking for his fourth world championship title in a row as he dominates over Ali Shahhosseini 21-4, 21-10 in just 26 minutes. The world number three will play Swedish Henri Hurskainen in the second round. Before Lin Dan played, Chinese Bao Chunlai, seeded 10, had crushed Chan Yan Kit 21-11 and 21-17.
In the men's doubles, Kristof Hopp and Johannes Schöttler of Germany shocked 16th-seeded Choong Tan Fook/Lee Wan Wah in tough three sets, 22-20, 17-21, and 21-18. Moreover, another seeded pair Tony Gunawan and Howard Bach, who are also 2005 world champions, suffer loss from England's Anthony Clark and Nathan Robertson in an easier match, 9-21 and 20-22.
In the women's doubles, Thailand's thirteenth seeds Savitree Amitapai and Vacharaporn Munkit were defeated by Imogen Bankier/Emma Mason 17-21, 21-15, and 15-21.