Christian BösigerChristian Bösiger is a Swiss male badminton player from Olten club. He competed at the 2008 Summer Olympics in the men's singles event, and reach the second round. Bösiger is a 12-time national champion.CareerBoesiger played the 2007 BWF World Championships in men's singles, and was defeated in the first round by Yousuke Nakanishi, of Japan, 21–16, 14–21, 21–18. At the 2008 Summer Olympics, he was defeated in the second round by Przemysław Wacha of Poland with the score 12–21, 21–11, 19–21.