Busan CH 2003
Young Jun Kim won the title, beating Tasuku Iwami 6–3 4–1 RET in the final.
Main draw 32 players
- 1🇹🇼Yen Hsun LuRound of 16 · Lost to Stian Boretti
- 2🇯🇵Takahiro TerachiRound of 16 · Lost to Young Jun Kim
- 3🇯🇵Gouichi MotomuraSemifinals · Lost to Young Jun Kim
- 4🇹🇼Jimmy WangQuarterfinals · Lost to Tasuku Iwami
- 5🇺🇸Doug BohaboyQuarterfinals · Lost to Young Jun Kim
- 6🇯🇵Tasuku IwamiFinal · Lost to Young Jun Kim
- 7🇩🇪Frank MoserRound of 32 · Lost to Jun Kato
- 8🇸🇰Ivo KlecRound of 32 · Lost to Kyu Tae Im
- 🇰🇷Young Jun KimFinal · Champion
- 🇰🇷Kyu Tae ImSemifinals · Lost to Tasuku Iwami
- 🇯🇵Jun KatoQuarterfinals · Lost to Gouichi Motomura
- 🇳🇴Stian BorettiQuarterfinals · Lost to Kyu Tae Im
- 🇰🇷Hee Seok ChungRound of 16 · Lost to Kyu Tae Im
- WC🇰🇷Hee Sung ChungRound of 16 · Lost to Tasuku Iwami
- 🇨🇿Jan MasikRound of 16 · Lost to Gouichi Motomura
- WC🇰🇷Jun Il YouRound of 16 · Lost to Doug Bohaboy
- 🇰🇷Seung Kyu ParkRound of 16 · Lost to Jun Kato
- 🇷🇴Victor IonitaRound of 16 · Lost to Jimmy Wang
- WC🇰🇷Chul Hee LeeRound of 32 · Lost to Jan Masik
- Q🇰🇷Chun Hwan NamRound of 32 · Lost to Jun Il You
- 🇸🇪Filip PrpicRound of 32 · Lost to Yen Hsun Lu
- 🇯🇵Hiroki KondoRound of 32 · Lost to Hee Sung Chung
- 🇨🇿Jakub HasekRound of 32 · Lost to Gouichi Motomura
- LL🇯🇵Joji MiyaoRound of 32 · Lost to Doug Bohaboy
- 🇯🇵Kentaro MasudaRound of 32 · Lost to Young Jun Kim
- 🇨🇿Michal NavratilRound of 32 · Lost to Jimmy Wang
- 🇯🇵Michihisa OnodaRound of 32 · Lost to Stian Boretti
- Q🇰🇷Oh Hee KwonRound of 32 · Lost to Tasuku Iwami
- Q🇰🇷Seung Hoon LeeRound of 32 · Lost to Hee Seok Chung
- WC🇰🇷Seung Hoon OhuchiRound of 32 · Lost to Takahiro Terachi
- Q🇹🇼Ti ChenRound of 32 · Lost to Victor Ionita
- 🇯🇵Toshihide MatsuiRound of 32 · Lost to Seung Kyu Park