2001 IBF World Championships – Men's singles
# 2001 IBF World Championships – Men's singles

The 12th IBF World Championships, also known as the World Badminton Championships, were held in the Palacio de Deportes de San Pablo, Seville, Spain, between 3 June and 10 June 2001. Following the results of the men's singles.

## Seeds

* Muhammad Roslin Hashim
* Peter Gade
* Taufik Hidayat
* Chen Hong
* Lee Hyun-il
* Pullela Gopichand
* Marleve Mainaky
* Anders Boesen
* Xia Xuanze
* Fung Permadi
* Ji Xinpeng
* Ong Ewe Hock
* Kenneth Jonassen
* Hendrawan

## Main stage

### Section 1

| First round | First round | First round | First round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Muhammad Roslin Hashim | 17 | 15 | | | | | | | | | | | |
| Abhinn Shyam Gupta | 15 | 5 | | Muhammad Roslin Hashim | 10 | 8 | | | | | | | |
| Tam Kai Chuen | 15 | 15 | | Tam Kai Chuen | 15 | 15 | | | | | | | |
| Nabil Lasmari | 4 | 13 | | | | | Tam Kai Chuen | 3 | 12 | | | | |
| Hendrawan | 15 | 13 | 15 | | | | Hendrawan | 15 | 15 | | | | |
| Kazuhiro Shimogami | 4 | 15 | 10 | Hendrawan | 15 | 15 | | | | | | | |
| Andrew Dabeka | 12 | 4 | | Rasmus Wengberg | 13 | 12 | | | | | | | |
| Rasmus Wengberg | 15 | 15 | | | | | | | | | Hendrawan | 15 | 15 |
| Anders Boesen | 15 | 15 | | | | | | | | | Xia Xuanze | 7 | 5 |
| Anupap Thiraratsakul | 9 | 10 | | Anders Boesen | 17 | 15 | | | | | | | |
| Marco Vasconcelos | 8 | 4 | | Mark Constable | 15 | 7 | | | | | | | |
| Mark Constable | 15 | 15 | | | | | Anders Boesen | 15 | 10 | 10 | | | |
| Xia Xuanze | 15 | 15 | 15 | | | | Xia Xuanze | 7 | 15 | 15 | | | |
| Vladislav Druzchenko | 10 | 17 | 10 | Xia Xuanze | 15 | 15 | | | | | | | |
| Conrad Hückstaedt | 15 | 15 | | Conrad Hückstaedt | 8 | 9 | | | | | | | |
| Nicholas M. Hall | 10 | 11 | | | | | | | | | | | |

### Section 2

| First round | First round | First round | First round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Taufik Hidayat | 15 | 15 | | | | | | | | | | | | |
| Dicky Palyama | 8 | 4 | | Taufik Hidayat | 15 | 15 | | | | | | | | |
| Jan Fröhlich | 9 | 4 | | Ronald Susilo | 12 | 12 | | | | | | | | |
| Ronald Susilo | 15 | 15 | | | | | Taufik Hidayat | 15 | 11 | 15 | | | | |
| Richard Vaughan | 10 | 7 | | | | | Wong Choong Hann | 10 | 15 | 7 | | | | |
| Chen Yu | 15 | 15 | | Chen Yu | 12 | 13 | | | | | | | | |
| Wong Choong Hann | 15 | 15 | | Wong Choong Hann | 15 | 15 | | | | | | | | |
| Arturo Ruiz | 7 | 8 | | | | | | | | | Taufik Hidayat | 15 | 4 | 15 |
| Lee Hyun-il | 15 | 15 | | | | | | | | | Lee Hyun-il | 12 | 15 | 5 |
| Björn Joppien | 6 | 7 | | Lee Hyun-il | 15 | 15 | | | | | | | | |
| Hidetaka Yamada | 15 | 15 | | Hidetaka Yamada | 5 | 13 | | | | | | | | |
| Ruud Kuijten | 9 | 2 | | | | | Lee Hyun-il | 15 | 15 | | | | | |
| Kenneth Jonassen | 15 | 15 | | | | | Kenneth Jonassen | 6 | 11 | | | | | |
| Andrej Pohar | 1 | 4 | | Kenneth Jonassen | 15 | 15 | | | | | | | | |
| Daniel Eriksson | 16 | 15 | 17 | Daniel Eriksson | 6 | 5 | | | | | | | | |
| Andrew South | 17 | 10 | 14 | | | | | | | | | | | |

### Section 3

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Fung Permadi | 15 | 15 | | | | | | | | | | | |
| Yousuke Nakanishi | 11 | 7 | | Fung Permadi | 15 | 15 | | | | | | | |
| Bertrand Gallet | 17 | 8 | 15 | Bertrand Gallet | 9 | 2 | | | | | | | |
| George Rimcardi | 14 | 15 | 7 | | | | | Fung Permadi | 10 | 13 | | | |
| Kevin Han | 8 | 15 | 15 | | | | | Pullela Gopichand | 15 | 15 | | | |
| Johan Hadikusuma | 15 | 12 | 4 | Kevin Han | 6 | 15 | 7 | | | | | | |
| Jens Roch | 3 | 8 | | Pullela Gopichand | 15 | 11 | 15 | | | | | | |
| Pullela Gopichand | 15 | 15 | | | | | | | | | Pullela Gopichand | 10 | 10 |
| Michael Edge | 7 | 13 | | | | | | | | | Chen Hong | 15 | 15 |
| Park Tae-sang | 15 | 15 | | Park Tae-sang | 11 | 9 | | | | | | | |
| Kasper Oedum | 2 | 13 | | Ong Ewe Hock | 15 | 15 | | | | | | | |
| Ong Ewe Hock | 15 | 15 | | | | | | Ong Ewe Hock | 14 | 10 | | | |
| Indra Wijaya | 17 | 15 | | | | | | Chen Hong | 17 | 15 | | | |
| Lu Feng-Chieh | 15 | 11 | | Indra Wijaya | 4 | 8 | | | | | | | |
| Tjitte Weistra | 7 | 9 | | Chen Hong | 15 | 15 | | | | | | | |
| Chen Hong | 15 | 15 | | | | | | | | | | | |

### Section 4

| 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 |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Agus Hariyanto | 15 | 15 | | | | | | | | | | | | |
| Shinya Ohtsuka | 2 | 4 | | Agus Hariyanto | 12 | 15 | 15 | | | | | | | |
| Rune Massing | 6 | 4 | | Ji Xinpeng | 15 | 11 | 4 | | | | | | | |
| Ji Xinpeng | 15 | 15 | | | | | | Agus Hariyanto | 7 | 15 | 15 | | | |
| Boonsak Ponsana | 15 | 15 | | | | | | Marleve Mainaky | 15 | 7 | 5 | | | |
| Przemyslaw Wacha | 5 | 8 | | Boonsak Ponsana | 8 | 15 | 11 | | | | | | | |
| Colin Haughton | 15 | 11 | 0 | Marleve Mainaky | 15 | 10 | 15 | | | | | | | |
| Marleve Mainaky | 13 | 15 | 15 | | | | | | | | | Agus Hariyanto | 4 | 8 |
| Jim Ronny Andersen | 15 | 15 | | | | | | | | | | Peter Gade | 15 | 15 |
| Geoffrey R. Bellingham | 10 | 12 | | Jim Ronny Andersen | 10 | 15 | 0 | | | | | | | |
| Lee Tsuen Seng | 10 | 17 | 15 | Lee Tsuen Seng | 15 | 12 | 15 | | | | | | | |
| Shon Seung-mo | 15 | 16 | 7 | | | | | Lee Tsuen Seng | 3 | 15 | 9 | | | |
| Martin Hagberg | 15 | 15 | | | | | | Peter Gade | 15 | 7 | 15 | | | |
| Jürgen Koch | 4 | 8 | | Martin Hagberg | 7 | 1 | | | | | | | | |
| Oliver Pongratz | 10 | 13 | | Peter Gade | 15 | 15 | | | | | | | | |
| Peter Gade | 15 | 15 | | | | | | | | | | | | |

## Final stage

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Finals | Finals | Finals |
| - | - | - | - | - | - | - | - | - | - | - |
| Hendrawan | 15 | 15 | | | | | | | | |
| Xia Xuanze | 7 | 5 | | | | | | | | |
| Xia Xuanze | 7 | 5 | | Hendrawan | 11 | 15 | 1 | | | |
| | | | | Taufik Hidayat | 15 | 5 | $7^r$ | | | |
| Taufik Hidayat | 15 | 4 | 15 | Taufik Hidayat | 15 | 5 | $7^r$ | | | |
| Lee Hyun-il | 12 | 15 | 5 | | | | | | | |
| Lee Hyun-il | 12 | 15 | 5 | | | | | Hendrawan | 15 | 17 |
| | | | | | | | | Peter Gade | 6 | 16 |
| Pullela Gopichand | 10 | 10 | | | | | | | | | Peter Gade | 6 | 16 |
| Chen Hong | 15 | 15 | | | | | | | | |
| Chen Hong | 15 | 15 | | Chen Hong | 14 | 2 | | | | |
| | | | | Peter Gade | 17 | 15 | | | | |
| Agus Hariyanto | 4 | 8 | | Peter Gade | 17 | 15 | | | | |
| Peter Gade | 15 | 15 | | | | | | | | |
