# Badminton at the 2011 SEA Games – Men's singles

These are the results of the men's singles competition in badminton at the 2011 SEA Games in Jakarta.

## Medal winners

| Gold | Silver | Bronze |
| Simon Santoso (INA) | Tanongsak Saensomboonsuk (THA) | Taufik Hidayat (INA)  Derek Wong (SIN) |

## Draw
### Top half

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | Taufik Hidayat | | | | | | | | | | | | | | |
| | Bye | | | 1 | Taufik Hidayat | 21 | 21 | | | | | | | | |
| | Lê Hà Anh | | | | Lê Hà Anh | 17 | 9 | | | | | | | | |
| | Bye | | | | | | | 1 | Taufik Hidayat | 22 | 21 | | | | |
| | Antonino Benjamin Gadi | | | | | | | | Liew Daren | 20 | 12 | | | | |
| | Bye | | | | Antonino Benjamin Gadi | 11 | 10 | | | | | | | | |
| | Liew Daren | | | | Liew Daren | 21 | 21 | | | | | | | | |
| | Bye | | | | | | | | | | | 1 | Taufik Hidayat | 14 | 19 |
| 4 | Tanongsak Saensomboonsuk | | | | | | | | | | | 4 | Tanongsak Saensomboonsuk | 21 | 21 |
| | Bye | | | 4 | Tanongsak Saensomboonsuk | 21 | 21 | | | | | | | | |
| | Myo Min Tun | | | | Myo Min Tun | 17 | 13 | | | | | | | | |
| | Bye | | | | | | | 4 | Tanongsak Saensomboonsuk | 21 | 21 | | | | |
| | Chin Dethputhicheat | | | | | | | | Ashton Chen | 13 | 11 | | | | |
| | Bye | | | | Chin Dethputhicheat | 5 | 11 | | | | | | | | |
| | Xaychaleun Xayasit | 6 | 5 | | Ashton Chen | 21 | 21 | | | | | | | | |
| | Ashton Chen | 21 | 21 | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | Ye Min Aung | 21 | 21 | | | | | | | | | | | | | |
| | Teav Yongvannak | 13 | 13 | | Ye Min Aung | 12 | 11 | | | | | | | | | |
| | Bye | | | | Suppanyu Avihingsanon | 21 | 21 | | | | | | | | | |
| | Suppanyu Avihingsanon | | | | | | | | | Suppanyu Avihingsanon | 13 | 12 | | | | |
| | Bye | | | | | | | | 3 | Simon Santoso | 21 | 21 | | | | |
| | Mohd Arif Abdul Latif | | | | Mohd Arif Abdul Latif | 11 | 21 | 17 | | | | | | | | |
| | Bye | | | 3 | Simon Santoso | 21 | 12 | 21 | | | | | | | | |
| 3 | Simon Santoso | | | | | | | | | | | | 3 | Simon Santoso | 21 | 21 |
| | Bye | | | | | | | | | | | | | Derek Wong | 17 | 12 |
| | Derek Wong | | | | Derek Wong | 21 | 21 | | | | | | | | | |
| | Bye | | | | Phongthanom Ouankhamchanh | 10 | 4 | | | | | | | | | |
| | Phongthanom Ouankhamchanh | | | | | | | | | Derek Wong | 21 | 21 | | | | |
| | Bye | | | | | | | | 2 | Nguyễn Tiến Minh | 14 | 15 | | | | |
| | Peter Gabriel Magnaye | | | | Peter Gabriel Magnaye | 11 | 6 | | | | | | | | | |
| | Bye | | | 2 | Nguyễn Tiến Minh | 21 | 21 | | | | | | | | | |
| 2 | Nguyễn Tiến Minh | | | | | | | | | | | | | | | |

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1 | Taufik Hidayat | 14 | 19 | | | | | |
| 4 | Tanongsak Saensomboonsuk | 21 | 21 | | | | | |
| 4 | Tanongsak Saensomboonsuk | 21 | 21 | 4 | Tanongsak Saensomboonsuk | 10 | 21 | 19 |
| | | | | 3 | Simon Santoso | 21 | 11 | 21 |
| 3 | Simon Santoso | 21 | 21 | 3 | Simon Santoso | 21 | 11 | 21 |
| | Derek Wong | 17 | 12 | | | | | |