# 2011 BWF World Championships – Men's doubles

The men's doubles tournament of the 2011 BWF World Championships (World Badminton Championships) was held from August 8 to 14. Cai Yun and Fu Haifeng were the defending champions.
In the final, Cai Yun and Fu Haifeng defeated Ko Sung-hyun and Yoo Yeon-seong 24–22, 21–16.

## Seeds

* Cai Yun / Fu Haifeng (champions)
* Mathias Boe / Carsten Mogensen (quarterfinals)
* Jung Jae-sung / Lee Yong-dae (semifinals)
* Koo Kien Keat / Tan Boon Heong (quarterfinals)
* Ko Sung-hyun / Yoo Yeon-seong (final)
* Markis Kido / Hendra Setiawan (second round, retired)
* Mohammad Ahsan / Bona Septano (semifinals)
* Alvent Yulianto / Hendra Aprida Gunawan (third round)
* Hirokatsu Hashimoto / Noriyasu Hirata (third round)
* Fang Chieh-min / Lee Sheng-mu (third round)
* Chai Biao / Guo Zhendong (third round)
* Naoki Kawamae / Shoji Sato (third round)
* Ingo Kindervater / Johannes Schöttler (second round)
* Hiroyuki Endo / Kenichi Hayakawa (third round)
* Cho Gun-woo / Kwon Yi-goo (third round)
* Mads Conrad-Petersen / Jonas Rasmussen (quarterfinals)

## Draw
### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Cai Yun Fu Haifeng | 21 | 21 | | | | | | | | | |
| 16 | Mads Conrad-Petersen Jonas Rasmussen | 10 | 13 | | | | | | | | | |
| 16 | Mads Conrad-Petersen Jonas Rasmussen | 10 | 13 | | 1 | Cai Yun Fu Haifeng | 21 | 21 | | | | |
| | | | | | 3 | Jung Jae-sung Lee Yong-dae | 18 | 14 | | | | |
| 3 | Jung Jae-sung Lee Yong-dae | 21 | 26 | | 3 | Jung Jae-sung Lee Yong-dae | 18 | 14 | | | | |
| | Hong Wei Shen Ye | 12 | 24 | | | | | | | | | |
| | Hong Wei Shen Ye | 12 | 24 | | | | | | 1 | Cai Yun Fu Haifeng | 24 | 21 |
| | | | | | | | | | 5 | Ko Sung-hyun Yoo Yeon-seong | 22 | 16 |
| 5 | Ko Sung-hyun Yoo Yeon-seong | 21 | 21 | | | | | | | | | | 5 | Ko Sung-hyun Yoo Yeon-seong | 22 | 16 |
| 4 | Koo Kien Keat Tan Boon Heong | 17 | 13 | | | | | | | | | |
| 4 | Koo Kien Keat Tan Boon Heong | 17 | 13 | | 5 | Ko Sung-hyun Yoo Yeon-seong | 21 | 21 | | | | |
| | | | | | 7 | Mohammad Ahsan Bona Septano | 19 | 17 | | | | |
| 7 | Mohammad Ahsan Bona Septano | 21 | 18 | 24 | 7 | Mohammad Ahsan Bona Septano | 19 | 17 | | | | |
| 2 | Mathias Boe Carsten Mogensen | 18 | 21 | 22 | | | | | | | | |

### Section 1

| First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Third Round | Third Round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 1 | Cai Y Fu HF | 21 | 14 | 21 | | | | | | | | | |
| M Ellis P Mills | 11 | 13 | | | V Ivanov I Sozonov | 12 | 21 | 12 | | | | | | | | | |
| ' V Ivanov I Sozonov | 21 | 21 | | | | | | | 1 | Cai Y Fu HF | 21 | 15 | 21 | | | | |
| | | | | | | | | | 12 | N Kawamae S Sato | 17 | 21 | 14 | | | | |
| | | | | 12 | N Kawamae S Sato | 21 | 23 | | | | | | | | | | |
| A Cwalina M Łogosz | 21 | 21 | | | A Cwalina M Łogosz | 16 | 21 | | | | | | | | | | |
| Chan PS Lim KW | 13 | 19 | | | | | | | | | | | | 1 | Cai Y Fu HF | 21 | 21 |
| | | | | | | | | | | | | | | 16 | M Conrad-Petersen J Rasmussen | 10 | 13 |
| | | | | 8 | A Yulianto HA Gunawan | 19 | 21 | 21 | | | | | | | | | |
| M Fuchs O Roth | 21 | 18 | 17 | | R Kumar S Thomas | 21 | 11 | 12 | | | | | | | | | |
| R Kumar S Thomas | 9 | 21 | 21 | | | | | | 8 | A Yulianto HA Gunawan | 20 | 21 | 18 | | | | |
| | | | | | | | | | 16 | M Conrad-Petersen J Rasmussen | 22 | 13 | 21 | | | | |
| | | | | 16 | M Conrad-Petersen J Rasmussen | 21 | 21 | | | | | | | | | | |
| M Dierickx F Golinski | 17 | 15 | | | DL James W Viljoen | 10 | 7 | | | | | | | | | | |
| DL James W Viljoen | 21 | 21 | | | | | | | | | | | | | | | |

### Section 2

| First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Third Round | Third Round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | 3 | Jung J-s Lee Y-d | 21 | 21 | | | | | | | | | |
| A Clark C Langridge | 21 | 21 | | A Clark C Langridge | 10 | 16 | | | | | | | | | |
| Y Hirobe K Kazuno | 15 | 17 | | | | | 3 | Jung J-s Lee Y-d | 21 | 21 | | | | | |
| | | | | | | | 14 | H Endo K Hayakawa | 14 | 5 | | | | | |
| | | | 14 | H Endo K Hayakawa | 21 | 21 | | | | | | | | | |
| R Smith G Warfe | 21 | 21 | | R Smith G Warfe | 9 | 11 | | | | | | | | | |
| M Campbell A Gilmour | 13 | 17 | | | | | | | | | | 3 | Jung J-s Lee Y-d | 21 | 26 |
| | | | | | | | | | | | | | Hong W Shen Y | 12 | 24 |
| | | | 6 | M Kido H Setiawan | wo | | | | | | | | | | |
| J de Ruiter D Khodabux | 19 | 16 | | Hong W Shen Y | | | | | | | | | | | |
| Hong W Shen Y | 21 | 21 | | | | | | Hong W Shen Y | 18 | 21 | 21 | | | | |
| | | | | | | | 10 | Fang C-m Lee S-m | 21 | 17 | 15 | | | | |
| | | | 10 | Fang C-m Lee S-m | 26 | 21 | | | | | | | | | |
| H Bach T Gunawan | 17 | 14 | | MZ Abdul Latif Hoon TH | 24 | 19 | | | | | | | | | |
| MZ Abdul Latif Hoon TH | 21 | 21 | | | | | | | | | | | | | |

### Section 3

| First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Third Round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| T Yeo Liu Y | 14 | 13 | | | | | | | | | | | | | |
| V Durkin A Nikolaenko | 21 | 21 | | V Durkin A Nikolaenko | 10 | 16 | | | | | | | | | |
| | | | 15 | Cho G-w Kwon Y-g | 21 | 21 | | | | | | | | | |
| | | | | | | | | 15 | Cho G-w Kwon Y-g | 15 | 17 | | | | |
| H Arthuso D Paiola | 10 | 11 | | | | | | 5 | Ko S-h Yoo Y-s | 21 | 21 | | | | |
| C Adcock A Ellis | 21 | 21 | | C Adcock A Ellis | 21 | 13 | 13 | | | | | | | | |
| | | | 5 | Ko S-h Yoo Y-s | 18 | 21 | 21 | | | | | | | | |
| | | | | | | | | | | | | 5 | Ko S-h Yoo Y-s | 21 | 21 |
| Chen H-l Lin Y-l | 21 | 21 | | | | | | | | | | 4 | Koo KK Tan BH | 17 | 13 |
| P Chopra T Kona | 17 | 13 | | Chen H-l Lin Y-l | 21 | 18 | 21 | | | | | | | | |
| | | | 13 | I Kindervater J Schöttler | 19 | 21 | 16 | | | | | | | | |
| | | | | | | | | | Chen H-l Lin Y-l | 13 | 14 | | | | |
| L Moren W Szkudlarczyk | 10 | 14 | | | | | | 4 | Koo KK Tan BH | 21 | 21 | | | | |
| Liu XL Qiu ZH | 21 | 21 | | Liu XL Qiu ZH | 6 | 22 | 15 | | | | | | | | |
| | | | 4 | Koo KK Tan BH | 21 | 20 | 21 | | | | | | | | |

### Section 4

| First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Third Round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| S Magee T Stephenson | 21 | 21 | | | | | | | | | | | | | | |
| V Konov D Zavadsky | 19 | 15 | | S Magee T Stephenson | 11 | 10 | | | | | | | | | | |
| | | | 11 | Chai B Guo ZD | 21 | 21 | | | | | | | | | | |
| | | | | | | | | 11 | Chai B Guo ZD | 20 | 16 | | | | | |
| B Careme S Grosjean | 22 | 21 | | | | | | 7 | M Ahsan B Septano | 22 | 21 | | | | | |
| Z Durkinjak Z Hoelbling | 20 | 14 | | B Careme S Grosjean | 15 | 17 | | | | | | | | | | |
| | | | 7 | M Ahsan B Septano | 21 | 21 | | | | | | | | | | |
| | | | | | | | | | | | | 7 | M Ahsan B Septano | 21 | 18 | 24 |
| S Gunatileka V Nguy | 8 | 7 | | | | | | | | | | 2 | M Boe C Mogensen | 18 | 21 | 22 |
| R Bosch K Ridder | 21 | 21 | | R Bosch K Ridder | 14 | 21 | 12 | | | | | | | | | |
| | | | 9 | H Hashimoto N Hirata | 21 | 18 | 21 | | | | | | | | | |
| | | | | | | | | 9 | H Hashimoto N Hirata | 21 | 10 | | | | | |
| S Anugritayawon S Prapakamol | 27 | 19 | | | | | | 2 | M Boe C Mogensen | 23 | 21 | | | | | |
| A Liu D Ng | 29 | 21 | | A Liu D Ng | 5 | 10 | | | | | | | | | | |
| | | | 2 | M Boe C Mogensen | 21 | 21 | | | | | | | | | | |