Busan CH 2004
Alexander Peya won the title, beating Yen Hsun Lu 6–3 5–7 6–3 in the final.
Main draw 32 players
- 1🇹🇼Yen Hsun LuFinal · Lost to Alexander Peya
- 2🇦🇹Alexander PeyaFinal · Champion
- 3🇹🇭Danai UdomchokeSemifinals · Lost to Yen Hsun Lu
- 4🇹🇼Jimmy WangRound of 32 · Lost to Hee Seok Chung
- 5🇨🇭Marco ChiudinelliQuarterfinals · Lost to Alexander Peya
- 6🇯🇵Takao SuzukiRound of 16 · Lost to Bo Ram Cha
- 7🇷🇺Igor KunitsynSemifinals · Lost to Alexander Peya
- 8🇮🇹Uros VicoQuarterfinals · Lost to Danai Udomchoke
- 🇰🇷Bo Ram ChaQuarterfinals · Lost to Yen Hsun Lu
- WC🇰🇷Hee Seok ChungQuarterfinals · Lost to Igor Kunitsyn
- Q🇺🇦Dimitri MazurRound of 16 · Lost to Uros Vico
- 🇯🇵Gouichi MotomuraRound of 16 · Lost to Yen Hsun Lu
- 🇮🇳Harsh MankadRound of 16 · Lost to Alexander Peya
- 🇸🇪Jacob AdaktussonRound of 16 · Lost to Igor Kunitsyn
- Q🇯🇵Michihisa OnodaRound of 16 · Lost to Hee Seok Chung
- 🇯🇵Tasuku IwamiRound of 16 · Lost to Danai Udomchoke
- 🇸🇰Victor BruthansRound of 16 · Lost to Marco Chiudinelli
- WC🇰🇷Dong Hyun KimRound of 32 · Lost to Marco Chiudinelli
- 🇨🇭George BastlRound of 32 · Lost to Bo Ram Cha
- 🇸🇰Ivo KlecRound of 32 · Lost to Jacob Adaktusson
- 🇨🇿Jan MasikRound of 32 · Lost to Igor Kunitsyn
- WC🇰🇷Kyu Tae ImRound of 32 · Lost to Victor Bruthans
- 🇨🇿Martin StepanekRound of 32 · Lost to Takao Suzuki
- 🇮🇳Prakash AmritrajRound of 32 · Lost to Dimitri Mazur
- 🇮🇳Rohan BopannaRound of 32 · Lost to Harsh Mankad
- 🇯🇵Satoshi IwabuchiRound of 32 · Lost to Michihisa Onoda
- Q🇰🇷Seung Bok BaekRound of 32 · Lost to Danai Udomchoke
- Q🇯🇵Takahiro TerachiRound of 32 · Lost to Uros Vico
- 🇹🇼Ti ChenRound of 32 · Lost to Gouichi Motomura
- 🇷🇺Vadim KutsenkoRound of 32 · Lost to Tasuku Iwami
- WC🇰🇷Yong Bum SeoRound of 32 · Lost to Alexander Peya
- 🇰🇷Young Jun KimRound of 32 · Lost to Yen Hsun Lu