Sao Paulo2 CH 1990
Joao Cunha Silva won the title, beating Cassio Motta 6–1 6–2 in the final.
Main draw 32 players
- 1🇧🇷Cassio MottaFinal · Lost to Joao Cunha Silva
- 2🇵🇹Joao Cunha SilvaFinal · Champion
- 3🇧🇷Jaime OncinsQuarterfinals · Lost to Pedro Rebolledo
- 4🇧🇷Fernando RoeseRound of 16 · Lost to Javier Frana
- 5🇨🇱Pedro RebolledoSemifinals · Lost to Joao Cunha Silva
- 6🇦🇷Pablo AlbanoQuarterfinals · Lost to Javier Frana
- 7🇦🇷Gabriel MarkusRound of 16 · Lost to Vicente Solves
- 8🇫🇷Frederic FontangQuarterfinals · Lost to Cassio Motta
- 🇦🇷Javier FranaSemifinals · Lost to Cassio Motta
- 🇪🇸Vicente SolvesQuarterfinals · Lost to Joao Cunha Silva
- 🇲🇽Agustin MorenoRound of 16 · Lost to Jaime Oncins
- 🇦🇹Gilbert SchallerRound of 16 · Lost to Pedro Rebolledo
- 🇪🇸Jose Luis AparisiRound of 16 · Lost to Pablo Albano
- 🇧🇷Mauro MenezesRound of 16 · Lost to Cassio Motta
- 🇧🇷Nelson AertsRound of 16 · Lost to Frederic Fontang
- 🇨🇱Sergio CortesRound of 16 · Lost to Joao Cunha Silva
- 🇧🇷Alexandre HocevarRound of 32 · Lost to Joao Cunha Silva
- Q🇧🇷Cesar KistRound of 32 · Lost to Agustin Moreno
- 🇦🇷Daniel OrsanicRound of 32 · Lost to Sergio Cortes
- 🇧🇷Danilo MarcelinoRound of 32 · Lost to Nelson Aerts
- 🇨🇱Felipe RiveraRound of 32 · Lost to Jose Luis Aparisi
- Q🇦🇷Gerardo MiradRound of 32 · Lost to Gilbert Schaller
- 🇦🇷Gustavo GiussaniRound of 32 · Lost to Javier Frana
- 🇧🇷Ivan KleyRound of 32 · Lost to Vicente Solves
- 🇧🇷Joao ZwetschRound of 32 · Lost to Jaime Oncins
- 🇪🇸Jose ClavetRound of 32 · Lost to Fernando Roese
- WC🇧🇷Jose DaherRound of 32 · Lost to Pedro Rebolledo
- WC🇦🇷Juan GaratRound of 32 · Lost to Frederic Fontang
- WC🇧🇷Marcelo SaliolaRound of 32 · Lost to Mauro Menezes
- WC🇧🇷Roberto TeofiloRound of 32 · Lost to Cassio Motta
- Q🇧🇷Rodrigo BarnabeRound of 32 · Lost to Gabriel Markus
- Q🇫🇷Thierry GuardiolaRound of 32 · Lost to Pablo Albano