In a match held at Wembley Arena on Saturday (13/08/2011) night, Bona / Ahsan who became the sole representative in the men's doubles, losing to South Korea's fifth seed, Ko Sung Hyun / Yoo Yeon Seong, 19 -21 and 17-21.
In the first game, Bona / Ahsan able to keep the game Sung / Yeon early on and they both chase each other until the score was equally strong at 19-19. But eventually Sung / Yeon able to seize the last two numbers and won 21-19.
Sign in the second game, Sung / Yeon grasp control of the game and had to leave Bona / Ahsan with numbers 14-10. Bona / Ahsan can catch up and equalize the score finished 17-17. But eventually Sung / Yeon can complete 41 minutes of action by 21-17 victory.
With the ousting of Bona / Ahsan Indonesia holds the hope of living based on the couple Tantowi Ahmad / Liliyana Natsir are shortly going against Chris Adcock / Imogen Bankier in the mixed doubles semi-final match.