Belo Horizonte CH 2003
Julio Peralta won the title, beating Danai Udomchoke 7–6(6) 1–6 6–1 in the final.
Main draw 32 players
- 1🇿🇦Rik De VoestRound of 32 · Lost to Phillip Harboe
- 2🇩🇪Maximilian AbelRound of 32 · Lost to Daniel Melo
- 3🇧🇷Marcos DanielQuarterfinals · Lost to Julio Peralta
- 4🇹🇭Danai UdomchokeFinal · Lost to Julio Peralta
- 5🇪🇨Giovanni LapenttiRound of 16 · Lost to Alejandro Hernandez
- 6🇹🇼Yen Hsun LuRound of 16 · Lost to Gregg Hill
- 7🇿🇦Louis VoslooRound of 32 · Lost to Julio Peralta
- 8🇧🇷Alexandre SimoniRound of 16 · Lost to Thiago Alves
- 🇨🇱Julio PeraltaFinal · Champion
- 🇲🇽Alejandro Hernandez#463Semifinals · Lost to Julio Peralta
- 🇲🇽Miguel Gallardo VallesSemifinals · Lost to Danai Udomchoke
- 🇧🇷Daniel MeloQuarterfinals · Lost to Alejandro Hernandez
- WC🇺🇸Gregg HillQuarterfinals · Lost to Miguel Gallardo Valles
- 🇧🇷Thiago AlvesQuarterfinals · Lost to Danai Udomchoke
- Q🇧🇷Bruno SoaresRound of 16 · Lost to Marcos Daniel
- 🇨🇿Pavel SnobelRound of 16 · Lost to Daniel Melo
- 🇧🇷Pedro BragaRound of 16 · Lost to Danai Udomchoke
- 🇨🇱Phillip HarboeRound of 16 · Lost to Miguel Gallardo Valles
- 🇯🇵Takahiro TerachiRound of 16 · Lost to Julio Peralta
- Q🇦🇷Alejandro FabbriRound of 32 · Lost to Gregg Hill
- 🇺🇸Andres PedrosoRound of 32 · Lost to Thiago Alves
- WC🇧🇷Gabriel FrancoRound of 32 · Lost to Alexandre Simoni
- 🇯🇵Gouichi MotomuraRound of 32 · Lost to Danai Udomchoke
- WC🇧🇷Guilherme SilveiraRound of 32 · Lost to Pedro Braga
- 🇧🇷Julio SilvaRound of 32 · Lost to Marcos Daniel
- Q🇯🇵Kentaro MasudaRound of 32 · Lost to Takahiro Terachi
- LL🇧🇷Lucas EngelRound of 32 · Lost to Alejandro Hernandez
- WC🇧🇷Marcelo MeloRound of 32 · Lost to Miguel Gallardo Valles
- Q🇧🇷Marcio TorresRound of 32 · Lost to Yen Hsun Lu
- 🇨🇴Pablo GonzalezRound of 32 · Lost to Pavel Snobel
- 🇯🇵Satoshi IwabuchiRound of 32 · Lost to Bruno Soares
- 🇯🇵Tasuku IwamiRound of 32 · Lost to Giovanni Lapentti