2005 IBF World Championships – Men's singles
# 2005 IBF World Championships – Men's singles

The 2005 IBF World Championships (World Badminton Championships) took place in Arrowhead Pond in Anaheim, United States, between August 15 and August 21, 2005. Following the results in the men's singles.

## Seeds

* Lin Dan, Runner-up
* Kenneth Jonassen, Quarter-final
* Peter Gade, Semi-final
* Bao Chunlai, Quarter-final
* Lee Chong Wei, Semi-final
* Taufik Hidayat, Champion
* Chen Hong, Quarter-final
* Muhammad Hafiz Hashim, Third round
* Ng Wei, Third round
* Wong Choong Hann, Third round
* Boonsak Ponsana, Third round
* Niels Christian Kaldau, Second round
* Lee Hyun-il, Quarter-final
* Dicky Palyama, First round
* n/a
* Björn Joppien, Third round

## Main stage

### Section 1

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Lin Dan | | | | | | | | | | | | | | | | |
| Bye | | | | Lin Dan | 15 | 15 | | | | | | | | | | |
| Kennevic Asuncion | 17 | 5 | 17 | Kennevic Asuncion | 1 | 3 | | | | | | | | | | |
| Andrew Smith | 14 | 15 | 15 | | | | | Lin Dan | 15 | 9 | 15 | | | | | |
| Shoji Sato | 15 | 15 | | | | | | Shoji Sato | 8 | 15 | 5 | | | | | |
| Dicky Palyama | 10 | 8 | | Shoji Sato | 15 | 15 | 15 | | | | | | | | | |
| Rasmus Wengberg | 15 | 17 | | Rasmus Wengberg | 17 | 7 | 3 | | | | | | | | | |
| Jan Vondra | 7 | 16 | | | | | | | | | | 5 | Lin Dan | 5 | 15 | 15 |
| Muhammad Hafiz Hashim | 15 | 15 | | | | | | | | | | | Lee Hyun-il | 15 | 7 | 8 |
| Kaveh Mehrabi | 3 | 3 | | Muhammad Hafiz Hashim | o.K. | | | | | | | | | | | |
| Olivier Fossy | 9 | 3 | | Olivier Fossy | | | | | | | | | | | | |
| Ronald Susilo | 15 | 13 | Aufg. | | | | | Muhammad Hafiz Hashim | 11 | 5 | | | | | | |
| Lee Hyun-il | 15 | 15 | | | | | | Lee Hyun-il | 15 | 15 | | | | | | |
| Jim Ronny Andersen | 3 | 7 | | Lee Hyun-il | 15 | 15 | | | | | | | | | | |
| Ville Lang | 13 | 15 | 15 | Ville Lang | 2 | 11 | | | | | | | | | | |
| Vladislav Druzchenko | 15 | 9 | 6 | | | | | | | | | | | | | |

### Section 2

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Peter Gade | 15 | 15 | | | | | | | | | | | | | |
| Pedro Yang | 0 | 1 | | Peter Gade | 15 | 15 | | | | | | | | | |
| Nguyen Tien Minh | 15 | 17 | | Nguyen Tien Minh | 4 | 6 | | | | | | | | | |
| Marc Zwiebler | 13 | 16 | | | | | | Peter Gade | 15 | 15 | | | | | |
| Niels Christian Kaldau | 15 | 15 | | | | | | Sony Dwi Kuncoro | 11 | 10 | | | | | |
| Niluka Karunaratne | 6 | 7 | | Niels Christian Kaldau | 15 | 9 | 4 | | | | | | | | |
| Sony Dwi Kuncoro | 15 | 15 | | Sony Dwi Kuncoro | 9 | 15 | 15 | | | | | | | | |
| Craig Goddard | 1 | 1 | | | | | | | | | | 5 | Peter Gade | 15 | 15 |
| Chen Hong | 17 | 15 | | | | | | | | | | | Chen Hong | 13 | 4 |
| Przemyslaw Wacha | 14 | 2 | | Chen Hong | 15 | 14 | 15 | | | | | | | | |
| Poompat Sapkulchananart | 15 | 9 | 15 | Poompat Sapkulchananart | 9 | 17 | 12 | | | | | | | | |
| Raju Rai | 7 | 15 | 12 | | | | | Chen Hong | 15 | 14 | 15 | | | | |
| Ng Wei | 15 | 15 | | | | | | Ng Wei | 7 | 17 | 3 | | | | |
| John Moody | 12 | 4 | | Ng Wei | 15 | 15 | | | | | | | | | |
| Andrew Dabeka | 9 | 15 | 15 | Andrew Dabeka | 9 | 7 | | | | | | | | | |
| Eric Go | 15 | 3 | 1 | | | | | | | | | | | | |

### Section 3

| First round | First round | First round | First round | Second round | Second round | Second round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Jürgen Koch | 15 | 15 | | | | | | | | | | | |
| Scott Evans | 12 | 7 | | Jürgen Koch | 5 | 9 | | | | | | | |
| Björn Joppien | 15 | 15 | | Björn Joppien | 15 | 15 | | | | | | | |
| Kestutis Navickas | 9 | 12 | | | | | Björn Joppien | 4 | 3 | | | | |
| Martyn Lewis | 6 | 15 | 15 | | | | Lee Chong Wei | 15 | 15 | | | | |
| Chris Dednam | 15 | 2 | 13 | Martyn Lewis | 1 | 4 | | | | | | | |
| Lee Chong Wei | 15 | 15 | | Lee Chong Wei | 15 | 15 | | | | | | | |
| Jan Fröhlich | 10 | 0 | | | | | | | | 5 | Lee Chong Wei | 15 | 15 |
| Liao Sheng-Shiun | 15 | 15 | | | | | | | | | Bao Chunlai | 5 | 7 |
| Miha Sepec Jr. | 9 | 7 | | Liao Sheng-Shiun | 4 | 0 | | | | | | | |
| Wong Choong Hann | 15 | 15 | | Wong Choong Hann | 15 | 15 | | | | | | | |
| Geoffrey Bellingham | 1 | 5 | | | | | Wong Choong Hann | 6 | 12 | | | | |
| Hariyanto Agus | 15 | 15 | | | | | Bao Chunlai | 15 | 15 | | | | |
| Yuichi Ikeda | 2 | 5 | | Hariyanto Agus | 7 | 4 | | | | | | | |
| Bobby Milroy | 1 | 6 | | Bao Chunlai | 15 | 15 | | | | | | | |
| Bao Chunlai | 15 | 15 | | | | | | | | | | | |

### Section 4

| First round | First round | First round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Hugi Heimersson | 15 | 15 | | | | | | | | | | | | |
| Carlos Longo | 8 | 5 | Hugi Heimersson | 2 | 4 | | | | | | | | | |
| Boonsak Ponsana | 15 | 15 | Boonsak Ponsana | 15 | 15 | | | | | | | | | |
| Arvind Bhat | 6 | 9 | | | | Boonsak Ponsana | 9 | 17 | 10 | | | | | |
| Eric Pang | 15 | 15 | | | | Taufik Hidayat | 15 | 15 | 15 | | | | | |
| Shai Geffen | 9 | 2 | Eric Pang | 5 | 6 | | | | | | | | | |
| Taufik Hidayat | 15 | 15 | Taufik Hidayat | 15 | 15 | | | | | | | | | |
| Rodrigo Pacheco | 7 | 3 | | | | | | | | 5 | Taufik Hidayat | 3 | 15 | 15 |
| Aamir Ghaffar | 15 | 15 | | | | | | | | | Kenneth Jonassen | 15 | 10 | 7 |
| Erick Anguiano | 6 | 0 | Aamir Ghaffar | 15 | 15 | | | | | | | | | |
| Shon Seung-mo | 15 | 15 | Shon Seung-mo | 1 | 7 | | | | | | | | | |
| Marc Lai | 3 | 0 | | | | Aamir Ghaffar | 2 | 4 | | | | | | |
| Kendrick Lee Yen Hui | 15 | 15 | | | | Kenneth Jonassen | 15 | 15 | | | | | | |
| Erwin Kehlhoffner | 3 | 4 | Kendrick Lee Yen Hui | 2 | 2 | | | | | | | | | |
| Bye | | | Kenneth Jonassen | 15 | 15 | | | | | | | | | |
| Kenneth Jonassen | | | | | | | | | | | | | | |

## Final stage

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Finals | Finals | Finals |
| - | - | - | - | - | - | - | - | - | - | - |
| Lin Dan | 5 | 15 | 15 | | | | | | | |
| Lee Hyun-il | 15 | 7 | 8 | | | | | | | |
| Lee Hyun-il | 15 | 7 | 8 | Lin Dan | 15 | 13 | 15 | | | |
| | | | | Peter Gade | 9 | 15 | 11 | | | |
| Peter Gade | 15 | 15 | | Peter Gade | 9 | 15 | 11 | | | |
| Chen Hong | 13 | 4 | | | | | | | | |
| Chen Hong | 13 | 4 | | | | | | Lin Dan | 3 | 7 |
| | | | | | | | | Taufik Hidayat | 15 | 15 |
| Lee Chong Wei | 15 | 15 | | | | | | | | | Taufik Hidayat | 15 | 15 |
| Bao Chunlai | 5 | 7 | | | | | | | | |
| Bao Chunlai | 5 | 7 | | Lee Chong Wei | 3 | 12 | | | | |
| | | | | Taufik Hidayat | 15 | 15 | | | | |
| Taufik Hidayat | 3 | 15 | 15 | Taufik Hidayat | 15 | 15 | | | | |
| Kenneth Jonassen | 15 | 10 | 7 | | | | | | | |
