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Badminton - Japan Open - Men's Doubles - 2011 - Detailed results
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Full results
Japan Open - Men's Doubles 2011
Japan - Tokyo - 20 September 2011 - 25 September 2011
Final
 Yun CaiHaifeng Fu | def. |  Mohammad AhsanBona Septano | 21-13 23-21 |
Semi-Finals
| Yun CaiHaifeng Fu | def. |  Kien Keat KooBoon Heong Tan | 21-17 19-21 21-19 |
| Mohammad AhsanBona Septano | def. | Markis KidoHendra Setiawan | 15-21 21-16 21-18 |
Quarter-Finals
| Yun CaiHaifeng Fu | def. | Alvent Yulianto ChandraHendra Aprida Gunawan | 21-12 21-14 |
| Kien Keat KooBoon Heong Tan | def. | V Shem GohKhim Wah Lim | 21-16 19-21 21-17 |
| Mohammad AhsanBona Septano | def. | Xiaolong LiuZihan Qiu | 21-5 21-16 |
| Markis KidoHendra Setiawan | def. |  Sung-hyun KoYong-dae Lee | 21-10 15-21 21-14 |