Busan CH 2003 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Young Jun Kim | d. | Tasuku Iwami | 6-3 4-1 RET |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Tasuku Iwami | d. | Kyu Tae Im | 7-5 6-3 |
| Young Jun Kim | d. | Gouichi Motomura | 6-3 6-2 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Kyu Tae Im | d. | Stian Boretti | 6-4 6-2 |
| Young Jun Kim | d. | Doug Bohaboy | 6-4 3-6 7-6(1) |
| Tasuku Iwami | d. | Jimmy Wang | 7-6(7) 6-1 |
| Gouichi Motomura | d. | Jun Kato | 6-4 7-6(7) |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Jun Kato | d. | Seung Kyu Park | 6-1 7-5 |
| Kyu Tae Im | d. | Hee Seok Chung | 4-6 6-3 6-1 |
| Tasuku Iwami | d. | Hee Sung Chung | 6-3 4-6 6-3 |
| Doug Bohaboy | d. | Jun Il You | 6-3 6-3 |
| Jimmy Wang | d. | Victor Ionita | 6-2 6-3 |
| Gouichi Motomura | d. | Jan Masik | 6-2 6-2 |
| Young Jun Kim | d. | Takahiro Terachi | 6-4 3-6 7-6(1) |
| Stian Boretti | d. | Yen Hsun Lu | 6-7(5) 6-1 7-6(5) |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Jun Il You | d. | Chun Hwan Nam | 6-4 7-6(3) |
| Seung Kyu Park | d. | Toshihide Matsui | 7-6(4) 6-3 |
| Jan Masik | d. | Chul Hee Lee | 7-6(6) 6-4 |
| Young Jun Kim | d. | Kentaro Masuda | 6-3 6-4 |
| Victor Ionita | d. | Ti Chen | 6-3 6-2 |
| Hee Seok Chung | d. | Seung Hoon Lee | 7-5 6-3 |
| Hee Sung Chung | d. | Hiroki Kondo | 6-0 7-6(7) |
| Stian Boretti | d. | Michihisa Onoda | 4-6 7-6(4) 6-2 |
| Kyu Tae Im | d. | Ivo Klec | 6-4 7-5 |
| Jun Kato | d. | Frank Moser | 6-4 6-4 |
| Tasuku Iwami | d. | Oh Hee Kwon | 6-3 6-2 |
| Doug Bohaboy | d. | Joji Miyao | 6-4 6-4 |
| Jimmy Wang | d. | Michal Navratil | 6-3 6-4 |
| Gouichi Motomura | d. | Jakub Hasek | 6-2 6-2 |
| Takahiro Terachi | d. | Seung Hoon Ohuchi | 6-4 6-0 |
| Yen Hsun Lu | d. | Filip Prpic | 7-6(5) 7-6(2) |