2003 IBF World Championships – Men's singles
{{Infobox sports competition event
| event = Men's singles
| championship = 2003 IBF World Championships
| dates = {{Start date|2003|07|28}} – {{End date|2003|08|03}}
| venue = National Indoor Arena
| location = Birmingham, United Kingdom
| gold = Xia Xuanze
| gold_nation = CHN
| silver = Wong Choong Hann
| silver_nation = MAS
| bronze = Shon Seung-mo
| bronze_nation = KOR
| bronze2 = Bao Chunlai
| bronze2_nation = CHN
| prev = 2001 Seville
| next = 2005 Anaheim
}}
{{Sidebar games events
| name = 2003IBFWorldChampionships
| title = Events at the 2003
IBF World Championships
| image = 50px
| event1.1 = Singles
| results1.1a = men
| results1.1b = women
| event1.2 = Doubles
| results1.2a = men
| results1.2b = women
| results1.2c = mixed
}}
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
{{columns-list|colwidth=30em|
- {{flagicon|CHN}} Chen Hong
- {{flagicon|DEN}} Kenneth Jonassen
- {{flagicon|INA}} Taufik Hidayat
- {{flagicon|DEN}} Anders Boesen
- {{flagicon|CHN}} Xia Xuanze
- {{flagicon|INA}} Sony Dwi Kuncoro
- {{flagicon|HKG}} Agus Hariyanto
- {{flagicon|KOR}} Lee Hyun-il
- {{flagicon|MAS}} Wong Choong Hann
- {{flagicon|SIN}} Ronald Susilo
- {{flagicon|CHN}} Ji Xinpeng
- {{flagicon|JPN}} Hidetaka Yamada
- {{flagicon|MAS}} Roslin Hashim
- {{flagicon|KOR}} Shon Seung-mo
- {{flagicon|GER}} Björn Joppien
- {{flagicon|POL}} Przemysław Wacha
}}
Main stage
=Section 1=
{{16TeamBracket-Compact-Tennis3
| RD1=First round
| RD2=Second round
| RD3=Third round
| RD4=Quarterfinals
| RD1-team01={{flagicon|China}} Xia Xuanze
| RD1-seed01=
| RD1-score01-1=15
| RD1-score01-2=15
| RD1-score01-3=
| RD1-team02={{flagicon|SIN}} Hendra Wijaya
| RD1-seed02=
| RD1-score02-1=6
| RD1-score02-2=7
| RD1-score02-3=
| RD1-team03={{flagicon|KOR}} Park Tae-sang
| RD1-seed03=
| RD1-score03-1=15
| RD1-score03-2=15
| RD1-score03-3=
| RD1-team04={{flagicon|JPN}} Shoji Sato
| RD1-seed04=
| RD1-score04-1=8
| RD1-score04-2=8
| RD1-score04-3=
| RD1-team05={{flagicon|China}} Lin Dan
| RD1-seed05=
| RD1-score05-1=15
| RD1-score05-2=15
| RD1-score05-3=
| RD1-team06={{flagicon|SWE}} Per-Henrik Croona
| RD1-seed06=
| RD1-score06-1=6
| RD1-score06-2=8
| RD1-score06-3=
| RD1-team07={{flagicon|POL}} Przemysław Wacha
| RD1-seed07=
| RD1-score07-1=9
| RD1-score07-2=15
| RD1-score07-3=15
| RD1-team08={{flagicon|CAN}} Sam Smith
| RD1-seed08=
| RD1-score08-1=15
| RD1-score08-2=4
| RD1-score08-3=2
| RD1-team09={{flagicon|DEN}} Kenneth Jonassen
| RD1-seed09=
| RD1-score09-1=15
| RD1-score09-2=15
| RD1-score09-3=15
| RD1-team10={{flagicon|MAS}} Lee Tsuen Seng
| RD1-seed10=
| RD1-score10-1=17
| RD1-score10-2=11
| RD1-score10-3=10
| RD1-team11={{flagicon|BEL}} David Jaco
| RD1-seed11=
| RD1-score11-1=4
| RD1-score11-2=15
| RD1-score11-3=15
| RD1-team12={{flagicon|BRA}} Guilherme Pardo
| RD1-seed12=
| RD1-score12-1=15
| RD1-score12-2=8
| RD1-score12-3=6
| RD1-team13={{flagicon|HKG}} Ng Wei
| RD1-seed13=
| RD1-score13-1=15
| RD1-score13-2=15
| RD1-score13-3=
| RD1-team14={{flagicon|JPN}} Shinya Ohtsuka
| RD1-seed14=
| RD1-score14-1=11
| RD1-score14-2=3
| RD1-score14-3=
| RD1-team15={{flagicon|WAL}} Irwansyah
| RD1-seed15=
| RD1-score15-1=15
| RD1-score15-2=15
| RD1-score15-3=
| RD1-team16={{flagicon|USA}} Eric Go
| RD1-seed16=
| RD1-score16-1=3
| RD1-score16-2=3
| RD1-score16-3=
| RD2-team01={{flagicon|China}} Xia Xuanze
| RD2-seed01=
| RD2-score01-1=15
| RD2-score01-2=15
| RD2-score01-3=
| RD2-team02={{flagicon|KOR}} Park Tae-sang
| RD2-seed02=
| RD2-score02-1=5
| RD2-score02-2=13
| RD2-score02-3=
| RD2-team03={{flagicon|China}} Lin Dan
| RD2-seed03=
| RD2-score03-1=15
| RD2-score03-2=15
| RD2-score03-3=
| RD2-team04={{flagicon|POL}} Przemysław Wacha
| RD2-seed04=
| RD2-score04-1=13
| RD2-score04-2=9
| RD2-score04-3=
| RD2-team05={{flagicon|DEN}} Kenneth Jonassen
| RD2-seed05=
| RD2-score05-1=15
| RD2-score05-2=15
| RD2-score05-3=
| RD2-team06={{flagicon|BEL}} David Jaco
| RD2-seed06=
| RD2-score06-1=3
| RD2-score06-2=1
| RD2-score06-3=
| RD2-team07={{flagicon|HKG}} Ng Wei
| RD2-seed07=
| RD2-score07-1=15
| RD2-score07-2=15
| RD2-score07-3=
| RD2-team08={{flagicon|WAL}} Irwansyah
| RD2-seed08=
| RD2-score08-1=3
| RD2-score08-2=7
| RD2-score08-3=
| RD3-team01={{flagicon|China}} Xia Xuanze
| RD3-seed01=
| RD3-score01-1=15
| RD3-score01-2=15
| RD3-score01-3=
| RD3-team02={{flagicon|China}} Lin Dan
| RD3-seed02=
| RD3-score02-1=10
| RD3-score02-2=3
| RD3-score02-3=
| RD3-team03={{flagicon|DEN}} Kenneth Jonassen
| RD3-seed03=
| RD3-score03-1=15
| RD3-score03-2=17
| RD3-score03-3=
| RD3-team04={{flagicon|HKG}} Ng Wei
| RD3-seed04=
| RD3-score04-1=8
| RD3-score04-2=16
| RD3-score04-3=
| RD4-team01={{flagicon|China}} Xia Xuanze
| RD4-seed01=
| RD4-score01-1=17
| RD4-score01-2=12
| RD4-score01-3=15
| RD4-team02={{flagicon|DEN}} Kenneth Jonassen
| RD4-seed02=
| RD4-score02-1=14
| RD4-score02-2=15
| RD4-score02-3=10
}}
=Section 2=
{{16TeamBracket-Compact-Tennis3
| RD1=First round
| RD2=Second round
| RD3=Third round
| RD4=Quarterfinals
| RD1-team01={{flagicon|China}} Bao Chunlai
| RD1-seed01=
| RD1-score01-1=15
| RD1-score01-2=15
| RD1-score01-3=
| RD1-team02={{flagicon|FRA}} Jean-Michel Lefort
| RD1-seed02=
| RD1-score02-1=6
| RD1-score02-2=0
| RD1-score02-3=
| RD1-team03={{flagicon|GER}} Björn Joppien
| RD1-seed03=
| RD1-score03-1=15
| RD1-score03-2=15
| RD1-score03-3=
| RD1-team04={{flagicon|ESP}} Arturo Ruiz
| RD1-seed04=
| RD1-score04-1=5
| RD1-score04-2=3
| RD1-score04-3=
| RD1-team05={{flagicon|IDN}} Taufik Hidayat
| RD1-seed05=
| RD1-score05-1=15
| RD1-score05-2=15
| RD1-score05-3=
| RD1-team06={{flagicon|IND}} Abhinn Shyam Gupta
| RD1-seed06=
| RD1-score06-1=7
| RD1-score06-2=10
| RD1-score06-3=
| RD1-team07={{flagicon|FIN}} Kasperi Salo
| RD1-seed07=
| RD1-score07-1=15
| RD1-score07-2=10
| RD1-score07-3=17
| RD1-team08={{flagicon|SLO}} Andrej Pohar
| RD1-seed08=
| RD1-score08-1=7
| RD1-score08-2=15
| RD1-score08-3=14
| RD1-team09={{flagicon|MAS}} Roslin Hashim
| RD1-seed09=
| RD1-score09-1=15
| RD1-score09-2=15
| RD1-score09-3=
| RD1-team10={{flagicon|THA}} Boonsak Ponsana
| RD1-seed10=
| RD1-score10-1=12
| RD1-score10-2=9
| RD1-score10-3=
| RD1-team11={{flagicon|MAS}} Hafiz Hashim
| RD1-seed11=
| RD1-score11-1=15
| RD1-score11-2=15
| RD1-score11-3=
| RD1-team12={{flagicon|RUS}} Stanislav Pukhov
| RD1-seed12=
| RD1-score12-1=5
| RD1-score12-2=5
| RD1-score12-3=
| RD1-team13={{flagicon|KOR}} Lee Hyun-il
| RD1-seed13=
| RD1-score13-1=15
| RD1-score13-2=15
| RD1-score13-3=
| RD1-team14={{flagicon|CZE}} Jan Vondra
| RD1-seed14=
| RD1-score14-1=6
| RD1-score14-2=7
| RD1-score14-3=
| RD1-team15={{flagicon|PHI}} Kennevic Asuncion
| RD1-seed15=
| RD1-score15-1=17
| RD1-score15-2=15
| RD1-score15-3=
| RD1-team16={{flagicon|ENG}} Andrew Smith
| RD1-seed16=
| RD1-score16-1=14
| RD1-score16-2=8
| RD1-score16-3=
| RD2-team01={{flagicon|China}} Bao Chunlai
| RD2-seed01=
| RD2-score01-1=15
| RD2-score01-2=15
| RD2-score01-3=
| RD2-team02={{flagicon|GER}} Björn Joppien
| RD2-seed02=
| RD2-score02-1=5
| RD2-score02-2=4
| RD2-score02-3=
| RD2-team03={{flagicon|IDN}} Taufik Hidayat
| RD2-seed03=
| RD2-score03-1=15
| RD2-score03-2=15
| RD2-score03-3=
| RD2-team04={{flagicon|FIN}} Kasperi Salo
| RD2-seed04=
| RD2-score04-1=10
| RD2-score04-2=8
| RD2-score04-3=
| RD2-team05={{flagicon|MAS}} Roslin Hashim
| RD2-seed05=
| RD2-score05-1=15
| RD2-score05-2=15
| RD2-score05-3=
| RD2-team06={{flagicon|MAS}} Hafiz Hashim
| RD2-seed06=
| RD2-score06-1=11
| RD2-score06-2=8
| RD2-score06-3=
| RD2-team07={{flagicon|KOR}} Lee Hyun-il
| RD2-seed07=
| RD2-score07-1=15
| RD2-score07-2=15
| RD2-score07-3=
| RD2-team08={{flagicon|PHI}} Kennevic Asuncion
| RD2-seed08=
| RD2-score08-1=7
| RD2-score08-2=4
| RD2-score08-3=
| RD3-team01={{flagicon|China}} Bao Chunlai
| RD3-seed01=
| RD3-score01-1=15
| RD3-score01-2=15
| RD3-score01-3=
| RD3-team02={{flagicon|IDN}} Taufik Hidayat
| RD3-seed02=
| RD3-score02-1=9
| RD3-score02-2=4
| RD3-score02-3=
| RD3-team03={{flagicon|MAS}} Roslin Hashim
| RD3-seed03=
| RD3-score03-1=15
| RD3-score03-2=13
| RD3-score03-3=17
| RD3-team04={{flagicon|KOR}} Lee Hyun-il
| RD3-seed04=
| RD3-score04-1=10
| RD3-score04-2=15
| RD3-score04-3=14
| RD4-team01={{flagicon|China}} Bao Chunlai
| RD4-seed01=
| RD4-score01-1=15
| RD4-score01-2=15
| RD4-score01-3=
| RD4-team02={{flagicon|MAS}} Roslin Hashim
| RD4-seed02=
| RD4-score02-1=7
| RD4-score02-2=10
| RD4-score02-3=
}}
=Section 3=
{{16TeamBracket-Compact-Tennis3
| RD1=First round
| RD2=Second round
| RD3=Third round
| RD4=Quarterfinals
| RD1-team01={{flagicon|Malaysia}} Wong Choong Hann
| RD1-seed01=
| RD1-score01-1=15
| RD1-score01-2=15
| RD1-score01-3=
| RD1-team02={{flagicon|JPN}} Keita Masuda
| RD1-seed02=
| RD1-score02-1=5
| RD1-score02-2=11
| RD1-score02-3=
| RD1-team03={{flagicon|IDN}} Budi Santoso
| RD1-seed03=
| RD1-score03-1=15
| RD1-score03-2=13
| RD1-score03-3=15
| RD1-team04={{flagicon|ENG}} Colin Haughton
| RD1-seed04=
| RD1-score04-1=2
| RD1-score04-2=15
| RD1-score04-3=6
| RD1-team05={{flagicon|DEN}} Anders Boesen
| RD1-seed05=
| RD1-score05-1=15
| RD1-score05-2=15
| RD1-score05-3=
| RD1-team06={{flagicon|BUL}} Georgi Petrov
| RD1-seed06=
| RD1-score06-1=9
| RD1-score06-2=5
| RD1-score06-3=
| RD1-team07={{flagicon|NED}} Dicky Palyama
| RD1-seed07=
| RD1-score07-1=15
| RD1-score07-2=15
| RD1-score07-3=
| RD1-team08={{flagicon|FIN}} Antti Viitikko
| RD1-seed08=
| RD1-score08-1=5
| RD1-score08-2=12
| RD1-score08-3=
| RD1-team09={{flagicon|IDN}} Sony Dwi Kuncoro
| RD1-seed09=
| RD1-score09-1=15
| RD1-score09-2=15
| RD1-score09-3=
| RD1-team10={{flagicon|DEN}} Peter Gade
| RD1-seed10=
| RD1-score10-1=11
| RD1-score10-2=6
| RD1-score10-3=
| RD1-team11={{flagicon|POR}} Marco Vasconcelos
| RD1-seed11=
| RD1-score11-1=15
| RD1-score11-2=15
| RD1-score11-3=
| RD1-team12={{flagicon|GTM}} Pedro Yang
| RD1-seed12=
| RD1-score12-1=5
| RD1-score12-2=5
| RD1-score12-3=
| RD1-team13={{flagicon|SIN}} Ronald Susilo
| RD1-seed13=
| RD1-score13-1=15
| RD1-score13-2=15
| RD1-score13-3=
| RD1-team14={{flagicon|ENG}} Aamir Ghaffar
| RD1-seed14=
| RD1-score14-1=2
| RD1-score14-2=7
| RD1-score14-3=
| RD1-team15={{flagicon|DEN}} Peter Rasmussen
| RD1-seed15=
| RD1-score15-1=15
| RD1-score15-2=9
| RD1-score15-3=15
| RD1-team16={{flagicon|IND}} Nikhil Kanetkar
| RD1-seed16=
| RD1-score16-1=4
| RD1-score16-2=15
| RD1-score16-3=5
| RD2-team01={{flagicon|Malaysia}} Wong Choong Hann
| RD2-seed01=
| RD2-score01-1=15
| RD2-score01-2=15
| RD2-score01-3=
| RD2-team02={{flagicon|IDN}} Budi Santoso
| RD2-seed02=
| RD2-score02-1=6
| RD2-score02-2=13
| RD2-score02-3=
| RD2-team03={{flagicon|DEN}} Anders Boesen
| RD2-seed03=
| RD2-score03-1=15
| RD2-score03-2=15
| RD2-score03-3=
| RD2-team04={{flagicon|NED}} Dicky Palyama
| RD2-seed04=
| RD2-score04-1=8
| RD2-score04-2=2
| RD2-score04-3=
| RD2-team05={{flagicon|IDN}} Sony Dwi Kuncoro
| RD2-seed05=
| RD2-score05-1=15
| RD2-score05-2=15
| RD2-score05-3=
| RD2-team06={{flagicon|POR}} Marco Vasconcelos
| RD2-seed06=
| RD2-score06-1=9
| RD2-score06-2=3
| RD2-score06-3=
| RD2-team07={{flagicon|SIN}} Ronald Susilo
| RD2-seed07=
| RD2-score07-1=8
| RD2-score07-2=15
| RD2-score07-3=15
| RD2-team08={{flagicon|DEN}} Peter Rasmussen
| RD2-seed08=
| RD2-score08-1=15
| RD2-score08-2=12
| RD2-score08-3=5
| RD3-team01={{flagicon|Malaysia}} Wong Choong Hann
| RD3-seed01=
| RD3-score01-1=15
| RD3-score01-2=15
| RD3-score01-3=
| RD3-team02={{flagicon|DEN}} Anders Boesen
| RD3-seed02=
| RD3-score02-1=6
| RD3-score02-2=6
| RD3-score02-3=
| RD3-team03={{flagicon|IDN}} Sony Dwi Kuncoro
| RD3-seed03=
| RD3-score03-1=15
| RD3-score03-2=15
| RD3-score03-3=
| RD3-team04={{flagicon|SIN}} Ronald Susilo
| RD3-seed04=
| RD3-score04-1=9
| RD3-score04-2=13
| RD3-score04-3=
| RD4-team01={{flagicon|Malaysia}} Wong Choong Hann
| RD4-seed01=
| RD4-score01-1=15
| RD4-score01-2=15
| RD4-score01-3=
| RD4-team02={{flagicon|IDN}} Sony Dwi Kuncoro
| RD4-seed02=
| RD4-score02-1=8
| RD4-score02-2=5
| RD4-score02-3=
}}
=Section 4=
{{16TeamBracket-Compact-Tennis3
| RD1=First round
| RD2=Second round
| RD3=Third round
| RD4=Quarterfinals
| RD1-team01={{flagicon|KOR}} Shon Seung-mo
| RD1-seed01=
| RD1-score01-1=15
| RD1-score01-2=15
| RD1-score01-3=
| RD1-team02={{flagicon|IDN}} Marleve Mainaky
| RD1-seed02=
| RD1-score02-1=2
| RD1-score02-2=6
| RD1-score02-3=
| RD1-team03={{flagicon|UKR}} Vladislav Druzchenko
| RD1-seed03=
| RD1-score03-1=11
| RD1-score03-2=15
| RD1-score03-3=15
| RD1-team04={{flagicon|AUT}} Jürgen Koch
| RD1-seed04=
| RD1-score04-1=15
| RD1-score04-2=13
| RD1-score04-3=0
| RD1-team05={{flagicon|HKG}} Agus Hariyanto
| RD1-seed05=
| RD1-score05-1=15
| RD1-score05-2=15
| RD1-score05-3=
| RD1-team06={{flagicon|CAN}} Bobby Milroy
| RD1-seed06=
| RD1-score06-1=10
| RD1-score06-2=12
| RD1-score06-3=
| RD1-team07={{flagicon|CZE}} Jan Fröhlich
| RD1-seed07=
| RD1-score07-1=15
| RD1-score07-2=15
| RD1-score07-3=
| RD1-team08={{flagicon|WAL}} Richard Vaughan
| RD1-seed08=
| RD1-score08-1=7
| RD1-score08-2=1
| RD1-score08-3=
| RD1-team09={{flagicon|China}} Chen Hong
| RD1-seed09=
| RD1-score09-1=
| RD1-score09-2=
| RD1-score09-3=
| RD1-team10=bye
| RD1-seed10=
| RD1-score10-1=
| RD1-score10-2=
| RD1-score10-3=
| RD1-team11={{flagicon|GER}} Jens Roch
| RD1-seed11=
| RD1-score11-1=15
| RD1-score11-2=15
| RD1-score11-3=
| RD1-team12={{flagicon|FRA}} Nabil Lasmari
| RD1-seed12=
| RD1-score12-1=4
| RD1-score12-2=8
| RD1-score12-3=
| RD1-team13={{flagicon|JPN}} Hidetaka Yamada
| RD1-seed13=
| RD1-score13-1=15
| RD1-score13-2=13
| RD1-score13-3=15
| RD1-team14={{flagicon|SWE}} Rasmus Wengberg
| RD1-seed14=
| RD1-score14-1=8
| RD1-score14-2=15
| RD1-score14-3=2
| RD1-team15={{flagicon|ESP}} Sergio Llopis
| RD1-seed15=
| RD1-score15-1=17
| RD1-score15-2=15
| RD1-score15-3=
| RD1-team16={{flagicon|NOR}} Jim Ronny Andersen
| RD1-seed16=
| RD1-score16-1=15
| RD1-score16-2=10
| RD1-score16-3=
| RD2-team01={{flagicon|KOR}} Shon Seung-mo
| RD2-seed01=
| RD2-score01-1=8
| RD2-score01-2=15
| RD2-score01-3=15
| RD2-team02={{flagicon|UKR}} Vladislav Druzchenko
| RD2-seed02=
| RD2-score02-1=15
| RD2-score02-2=11
| RD2-score02-3=1
| RD2-team03={{flagicon|HKG}} Agus Hariyanto
| RD2-seed03=
| RD2-score03-1=15
| RD2-score03-2=15
| RD2-score03-3=
| RD2-team04={{flagicon|CZE}} Jan Fröhlich
| RD2-seed04=
| RD2-score04-1=6
| RD2-score04-2=10
| RD2-score04-3=
| RD2-team05={{flagicon|China}} Chen Hong
| RD2-seed05=
| RD2-score05-1=15
| RD2-score05-2=15
| RD2-score05-3=
| RD2-team06={{flagicon|GER}} Jens Roch
| RD2-seed06=
| RD2-score06-1=5
| RD2-score06-2=1
| RD2-score06-3=
| RD2-team07={{flagicon|JPN}} Hidetaka Yamada
| RD2-seed07=
| RD2-score07-1=15
| RD2-score07-2=15
| RD2-score07-3=
| RD2-team08={{flagicon|ESP}} Sergio Llopis
| RD2-seed08=
| RD2-score08-1=6
| RD2-score08-2=8
| RD2-score08-3=
| RD3-team01={{flagicon|KOR}} Shon Seung-mo
| RD3-seed01=
| RD3-score01-1=8
| RD3-score01-2=15
| RD3-score01-3=15
| RD3-team02={{flagicon|HKG}} Agus Hariyanto
| RD3-seed02=
| RD3-score02-1=15
| RD3-score02-2=2
| RD3-score02-3=2
| RD3-team03={{flagicon|China}} Chen Hong
| RD3-seed03=
| RD3-score03-1=15
| RD3-score03-2=15
| RD3-score03-3=
| RD3-team04={{flagicon|JPN}} Hidetaka Yamada
| RD3-seed04=
| RD3-score04-1=7
| RD3-score04-2=9
| RD3-score04-3=
| RD4-team01={{flagicon|KOR}} Shon Seung-mo
| RD4-seed01=
| RD4-score01-1=5
| RD4-score01-2=17
| RD4-score01-3=15
| RD4-team02={{flagicon|China}} Chen Hong
| RD4-seed02=
| RD4-score02-1=15
| RD4-score02-2=14
| RD4-score02-3=9
}}
Final stage
{{8TeamBracket-Tennis3
| team-width=
| RD1-seed1=
| RD1-team1={{flagicon|China}} Xia Xuanze
| RD1-score1-1=17
| RD1-score1-2=12
| RD1-score1-3=15
| RD1-seed2=
| RD1-team2={{flagicon|DEN}} Kenneth Jonassen
| RD1-score2-1=14
| RD1-score2-2=15
| RD1-score2-3=10
| RD1-seed3=
| RD1-team3={{flagicon|China}} Bao Chunlai
| RD1-score3-1=15
| RD1-score3-2=15
| RD1-score3-3=
| RD1-seed4=
| RD1-team4={{flagicon|MAS}} Roslin Hashim
| RD1-score4-1=7
| RD1-score4-2=10
| RD1-score4-3=
| RD1-seed5=
| RD1-team5={{flagicon|Malaysia}} Wong Choong Hann
| RD1-score5-1=15
| RD1-score5-2=15
| RD1-score5-3=
| RD1-seed6=
| RD1-team6={{flagicon|IDN}} Sony Dwi Kuncoro
| RD1-score6-1=8
| RD1-score6-2=5
| RD1-score6-3=
| RD1-seed7=
| RD1-team7={{flagicon|KOR}} Shon Seung-mo
| RD1-score7-1=5
| RD1-score7-2=17
| RD1-score7-3=15
| RD1-seed8=
| RD1-team8={{flagicon|China}} Chen Hong
| RD1-score8-1=15
| RD1-score8-2=14
| RD1-score8-3=9
| RD2-seed1=
| RD2-team1={{flagicon|China}} Xia Xuanze
| RD2-score1-1=15
| RD2-score1-2=15
| RD2-score1-3=
| RD2-seed2=
| RD2-team2={{flagicon|China}} Bao Chunlai
| RD2-score2-1=11
| RD2-score2-2=7
| RD2-score2-3=
| RD2-seed3=
| RD2-team3={{flagicon|Malaysia}} Wong Choong Hann
| RD2-score3-1=15
| RD2-score3-2=15
| RD2-score3-3=
| RD2-seed4=
| RD2-team4={{flagicon|KOR}} Shon Seung-mo
| RD2-score4-1=4
| RD2-score4-2=5
| RD2-score4-3=
| RD3-seed1=
| RD3-team1={{flagicon|China}} Xia Xuanze
| RD3-score1-1=15
| RD3-score1-2=13
| RD3-score1-3=15
| RD3-seed2=
| RD3-team2={{flagicon|Malaysia}} Wong Choong Hann
| RD3-score2-1=6
| RD3-score2-2=15
| RD3-score2-3=6
}}
References
http://www.tournamentsoftware.com/sport/tournament.aspx?id=40F38303-C037-45A9-93CB-C7A7AAED7AFC
{{DEFAULTSORT:2003 IBF World Championships - Men's Singles}}