Curitiba CH 1990
Pedro Rebolledo won the title, beating Javier Frana 6–1 7–5 in the final.
Main draw 32 players
- 1🇧🇷Cassio MottaSemifinals · Lost to Pedro Rebolledo
- 2🇦🇷Christian MiniussiRound of 16 · Lost to Mario Tabares
- 3🇩🇪Christian GeyerRound of 32 · Lost to Danilo Marcelino
- 4🇨🇱Pedro RebolledoFinal · Champion
- 5🇩🇪Patrick BaurRound of 16 · Lost to Javier Frana
- 6🇧🇷Jaime OncinsQuarterfinals · Lost to Pedro Rebolledo
- 7🇳🇱Jacco EltinghSemifinals · Lost to Javier Frana
- 8🇲🇽Luis HerreraQuarterfinals · Lost to Cassio Motta
- Q🇦🇷Javier FranaFinal · Lost to Pedro Rebolledo
- WC🇧🇷Danilo MarcelinoQuarterfinals · Lost to Javier Frana
- CUBMario TabaresQuarterfinals · Lost to Jacco Eltingh
- 🇦🇷Daniel OrsanicRound of 16 · Lost to Pedro Rebolledo
- 🇲🇽Francisco MacielRound of 16 · Lost to Danilo Marcelino
- Q🇨🇱Jose Antonio FernandezRound of 16 · Lost to Luis Herrera
- 🇩🇪Ricki OsterthunRound of 16 · Lost to Cassio Motta
- 🇦🇷Roberto ArguelloRound of 16 · Lost to Jaime Oncins
- 🇸🇪Tobias SvantessonRound of 16 · Lost to Jacco Eltingh
- 🇩🇪Christian WeisRound of 32 · Lost to Tobias Svantesson
- 🇬🇧Danny SapsfordRound of 32 · Lost to Roberto Arguello
- 🇦🇷Eduardo BengoecheaRound of 32 · Lost to Luis Herrera
- 🇧🇷Fernando RoeseRound of 32 · Lost to Daniel Orsanic
- 🇦🇷Gabriel MarkusRound of 32 · Lost to Christian Miniussi
- WC🇧🇷Joao ZwetschRound of 32 · Lost to Pedro Rebolledo
- 🇧🇷Jose DaherRound of 32 · Lost to Jacco Eltingh
- Q🇨🇿Libor NemecekRound of 32 · Lost to Mario Tabares
- 🇦🇷Marcelo IngaramoRound of 32 · Lost to Patrick Baur
- 🇬🇧Mark PetcheyRound of 32 · Lost to Cassio Motta
- 🇧🇷Mauro MenezesRound of 32 · Lost to Ricki Osterthun
- Q🇲🇽Oliver FernandezRound of 32 · Lost to Jose Antonio Fernandez
- 🇦🇷Pablo AlbanoRound of 32 · Lost to Jaime Oncins
- 🇺🇸Shelby CannonRound of 32 · Lost to Francisco Maciel
- WC🇧🇷William KyriakosRound of 32 · Lost to Javier Frana