| Swimming |
2001 World Aquatics Championships |
Fukuoka |
 JPN |
1,500 m Freestyle, Men |
23 |
 KOR |
|
| Swimming |
2001 World Aquatics Championships |
Fukuoka |
JPN |
100 m Butterfly, Men |
41 |
KOR |
|
| Swimming |
2001 World Aquatics Championships |
Fukuoka |
JPN |
200 m Butterfly, Men |
26 |
KOR |
|
| Swimming |
2002 Asian Games |
Busan |
KOR |
4 x 100 m Medley Relay, Men |
🥉 |
KOR |
|
| Swimming |
2005 World Aquatics Championships |
Montréal |
 CAN |
4 x 100 m Medley Relay, Men |
11 |
KOR |
|
| Swimming |
2005 World Aquatics Championships |
Montréal |
CAN |
200 m Butterfly, Men |
16 |
KOR |
|
| Swimming |
2005 World Aquatics Championships |
Montréal |
CAN |
100 m Butterfly, Men |
=35 |
KOR |
|
| Swimming |
2005 World Aquatics Championships |
Montréal |
CAN |
50 m Butterfly, Men |
37 |
KOR |
|
| Swimming |
2005 East Asian Games |
Macau |
 MAC |
200 m Butterfly, Men |
🥉 |
KOR |
|
| Swimming |
2005 East Asian Games |
Macau |
MAC |
4 x 200 m Freestyle Relay, Men |
🥈 |
KOR |
|
| Swimming |
2005 East Asian Games |
Macau |
MAC |
4 x 100 m Medley Relay, Men |
🥉 |
KOR |
|
| Swimming |
2006 Swim World Cup |
Daejon |
KOR |
1,500 m Freestyle, Men |
🥇 |
KOR |
|
| Swimming |
2006 Swim World Cup |
Daejon |
KOR |
200 m Butterfly, Men |
🥉 |
KOR |
|
| Swimming |
2006 World Swimming Championships (25 m) |
Shanghai |
 CHN |
100 m Butterfly, Men |
32 |
KOR |
|
| Swimming |
2006 World Swimming Championships (25 m) |
Shanghai |
CHN |
4 x 200 m Freestyle Relay, Men |
11 |
KOR |
|
| Swimming |
2006 World Swimming Championships (25 m) |
Shanghai |
CHN |
200 m Butterfly, Men |
12 |
KOR |
|
| Swimming |
2006 World Swimming Championships (25 m) |
Shanghai |
CHN |
50 m Butterfly, Men |
33 |
KOR |
|
| Swimming |
2009 World Aquatics Championships |
Roma |
 ITA |
100 m Butterfly, Men |
79 |
KOR |
|
| Swimming |
2009 World Aquatics Championships |
Roma |
ITA |
200 m Butterfly, Men |
32 |
KOR |
|