2003 IBF World Championships – Men's singles
# 2003 IBF World Championships – Men's singles

The 2003 IBF World Championships (World Badminton Championships) took place in the National Indoor Arena in Birmingham, England, between July 28 and August 3, 2003. Following the results in the men's singles.

## Seeds

* Chen Hong
* Kenneth Jonassen
* Taufik Hidayat
* Anders Boesen
* Xia Xuanze
* Sony Dwi Kuncoro
* Agus Hariyanto
* Lee Hyun-il
* Wong Choong Hann
* Ronald Susilo
* Ji Xinpeng
* Hidetaka Yamada
* Roslin Hashim
* Shon Seung-mo
* Björn Joppien
* Przemysław Wacha

## Main stage

### Section 1

| First round | First round | First round | First round | Second round | Second round | Second round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Xia Xuanze | 15 | 15 | | | | | | | | | | | |
| Hendra Wijaya | 6 | 7 | | Xia Xuanze | 15 | 15 | | | | | | | |
| Park Tae-sang | 15 | 15 | | Park Tae-sang | 5 | 13 | | | | | | | |
| Shoji Sato | 8 | 8 | | | | | Xia Xuanze | 15 | 15 | | | | |
| Lin Dan | 15 | 15 | | | | | Lin Dan | 10 | 3 | | | | |
| Per-Henrik Croona | 6 | 8 | | Lin Dan | 15 | 15 | | | | | | | |
| Przemysław Wacha | 9 | 15 | 15 | Przemysław Wacha | 13 | 9 | | | | | | | |
| Sam Smith | 15 | 4 | 2 | | | | | | | Xia Xuanze | 17 | 12 | 15 |
| Kenneth Jonassen | 15 | 15 | 15 | | | | | | | Kenneth Jonassen | 14 | 15 | 10 |
| Lee Tsuen Seng | 17 | 11 | 10 | Kenneth Jonassen | 15 | 15 | | | | | | | |
| David Jaco | 4 | 15 | 15 | David Jaco | 3 | 1 | | | | | | | |
| Guilherme Pardo | 15 | 8 | 6 | | | | Kenneth Jonassen | 15 | 17 | | | | |
| Ng Wei | 15 | 15 | | | | | Ng Wei | 8 | 16 | | | | |
| Shinya Ohtsuka | 11 | 3 | | Ng Wei | 15 | 15 | | | | | | | |
| Irwansyah | 15 | 15 | | Irwansyah | 3 | 7 | | | | | | | |
| Eric Go | 3 | 3 | | | | | | | | | | | |

### 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 |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Bao Chunlai | 15 | 15 | | | | | | | | | | | |
| Jean-Michel Lefort | 6 | 0 | | Bao Chunlai | 15 | 15 | | | | | | | |
| Björn Joppien | 15 | 15 | | Björn Joppien | 5 | 4 | | | | | | | |
| Arturo Ruiz | 5 | 3 | | | | | Bao Chunlai | 15 | 15 | | | | |
| Taufik Hidayat | 15 | 15 | | | | | Taufik Hidayat | 9 | 4 | | | | |
| Abhinn Shyam Gupta | 7 | 10 | | Taufik Hidayat | 15 | 15 | | | | | | | |
| Kasperi Salo | 15 | 10 | 17 | Kasperi Salo | 10 | 8 | | | | | | | |
| Andrej Pohar | 7 | 15 | 14 | | | | | | | | Bao Chunlai | 15 | 15 |
| Roslin Hashim | 15 | 15 | | | | | | | | | Roslin Hashim | 7 | 10 |
| Boonsak Ponsana | 12 | 9 | | Roslin Hashim | 15 | 15 | | | | | | | |
| Hafiz Hashim | 15 | 15 | | Hafiz Hashim | 11 | 8 | | | | | | | |
| Stanislav Pukhov | 5 | 5 | | | | | Roslin Hashim | 15 | 13 | 17 | | | |
| Lee Hyun-il | 15 | 15 | | | | | Lee Hyun-il | 10 | 15 | 14 | | | |
| Jan Vondra | 6 | 7 | | Lee Hyun-il | 15 | 15 | | | | | | | |
| Kennevic Asuncion | 17 | 15 | | Kennevic Asuncion | 7 | 4 | | | | | | | |
| Andrew Smith | 14 | 8 | | | | | | | | | | | |

### 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 |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Wong Choong Hann | 15 | 15 | | | | | | | | | | | |
| Keita Masuda | 5 | 11 | | Wong Choong Hann | 15 | 15 | | | | | | | |
| Budi Santoso | 15 | 13 | 15 | Budi Santoso | 6 | 13 | | | | | | | |
| Colin Haughton | 2 | 15 | 6 | | | | | Wong Choong Hann | 15 | 15 | | | |
| Anders Boesen | 15 | 15 | | | | | | Anders Boesen | 6 | 6 | | | |
| Georgi Petrov | 9 | 5 | | Anders Boesen | 15 | 15 | | | | | | | |
| Dicky Palyama | 15 | 15 | | Dicky Palyama | 8 | 2 | | | | | | | |
| Antti Viitikko | 5 | 12 | | | | | | | | | Wong Choong Hann | 15 | 15 |
| Sony Dwi Kuncoro | 15 | 15 | | | | | | | | | Sony Dwi Kuncoro | 8 | 5 |
| Peter Gade | 11 | 6 | | Sony Dwi Kuncoro | 15 | 15 | | | | | | | |
| Marco Vasconcelos | 15 | 15 | | Marco Vasconcelos | 9 | 3 | | | | | | | |
| Pedro Yang | 5 | 5 | | | | | | Sony Dwi Kuncoro | 15 | 15 | | | |
| Ronald Susilo | 15 | 15 | | | | | | Ronald Susilo | 9 | 13 | | | |
| Aamir Ghaffar | 2 | 7 | | Ronald Susilo | 8 | 15 | 15 | | | | | | |
| Peter Rasmussen | 15 | 9 | 15 | Peter Rasmussen | 15 | 12 | 5 | | | | | | |
| Nikhil Kanetkar | 4 | 15 | 5 | | | | | | | | | | |

### 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 | Quarterfinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Shon Seung-mo | 15 | 15 | | | | | | | | | | | | | |
| Marleve Mainaky | 2 | 6 | | Shon Seung-mo | 8 | 15 | 15 | | | | | | | | |
| Vladislav Druzchenko | 11 | 15 | 15 | Vladislav Druzchenko | 15 | 11 | 1 | | | | | | | | |
| Jürgen Koch | 15 | 13 | 0 | | | | | Shon Seung-mo | 8 | 15 | 15 | | | | |
| Agus Hariyanto | 15 | 15 | | | | | | Agus Hariyanto | 15 | 2 | 2 | | | | |
| Bobby Milroy | 10 | 12 | | Agus Hariyanto | 15 | 15 | | | | | | | | | |
| Jan Fröhlich | 15 | 15 | | Jan Fröhlich | 6 | 10 | | | | | | | | | |
| Richard Vaughan | 7 | 1 | | | | | | | | | | Shon Seung-mo | 5 | 17 | 15 |
| Chen Hong | | | | | | | | | | | | Chen Hong | 15 | 14 | 9 |
| bye | | | | Chen Hong | 15 | 15 | | | | | | | | | |
| Jens Roch | 15 | 15 | | Jens Roch | 5 | 1 | | | | | | | | | |
| Nabil Lasmari | 4 | 8 | | | | | | Chen Hong | 15 | 15 | | | | | |
| Hidetaka Yamada | 15 | 13 | 15 | | | | | Hidetaka Yamada | 7 | 9 | | | | | |
| Rasmus Wengberg | 8 | 15 | 2 | Hidetaka Yamada | 15 | 15 | | | | | | | | | |
| Sergio Llopis | 17 | 15 | | Sergio Llopis | 6 | 8 | | | | | | | | | |
| Jim Ronny Andersen | 15 | 10 | | | | | | | | | | | | | |

## Final stage

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Finals | Finals | Finals | Finals |
| - | - | - | - | - | - | - | - | - | - | - |
| Xia Xuanze | 17 | 12 | 15 | | | | | | | |
| Kenneth Jonassen | 14 | 15 | 10 | | | | | | | |
| Kenneth Jonassen | 14 | 15 | 10 | Xia Xuanze | 15 | 15 | | | | |
| | | | | Bao Chunlai | 11 | 7 | | | | |
| Bao Chunlai | 15 | 15 | | Bao Chunlai | 11 | 7 | | | | |
| Roslin Hashim | 7 | 10 | | | | | | | | |
| Roslin Hashim | 7 | 10 | | | | | Xia Xuanze | 15 | 13 | 15 |
| | | | | | | | Wong Choong Hann | 6 | 15 | 6 |
| Wong Choong Hann | 15 | 15 | | | | | | | | | Wong Choong Hann | 6 | 15 | 6 |
| Sony Dwi Kuncoro | 8 | 5 | | | | | | | | |
| Sony Dwi Kuncoro | 8 | 5 | | Wong Choong Hann | 15 | 15 | | | | |
| | | | | Shon Seung-mo | 4 | 5 | | | | |
| Shon Seung-mo | 5 | 17 | 15 | Shon Seung-mo | 4 | 5 | | | | |
| Chen Hong | 15 | 14 | 9 | | | | | | | |
