Geneva Open 1990
Horst Skoff won the title, beating Sergi Bruguera 7–6 7–6 in the final.
Main draw 32 players
- 1🇫🇷Henri LeconteQuarterfinals · Lost to Michael Tauson
- 2🇦🇹Horst SkoffFinal · Champion
- 3🇨🇭Jakob HlasekRound of 16 · Lost to Horacio De La Pena
- 4🇨🇭Marc RossetSemifinals · Lost to Horst Skoff
- 5🇮🇹Omar CamporeseQuarterfinals · Lost to Marc Rosset
- 6🇪🇸Sergi BrugueraFinal · Lost to Horst Skoff
- 7🇭🇷Goran PrpicRound of 32 · Lost to Renzo Furlan
- 8🇦🇷Franco DavinRound of 16 · Lost to Michael Tauson
- 🇩🇰Michael TausonSemifinals · Lost to Sergi Bruguera
- WC🇦🇷Horacio De La PenaQuarterfinals · Lost to Sergi Bruguera
- 🇮🇹Renzo FurlanQuarterfinals · Lost to Horst Skoff
- 🇩🇪Alexander MronzRound of 16 · Lost to Marc Rosset
- 🇸🇪Jan GunnarssonRound of 16 · Lost to Sergi Bruguera
- Q🇪🇸Jose Antonio Pepe CondeRound of 16 · Lost to Renzo Furlan
- 🇸🇪Lars JonssonRound of 16 · Lost to Henri Leconte
- 🇸🇰Marian VajdaRound of 16 · Lost to Omar Camporese
- 🇮🇹Paolo CaneRound of 16 · Lost to Horst Skoff
- 🇭🇷Bruno OresarRound of 32 · Lost to Omar Camporese
- 🇧🇷Cassio MottaRound of 32 · Lost to Jan Gunnarsson
- 🇸🇪Christian BergstromRound of 32 · Lost to Horst Skoff
- WC🇨🇭Claudio MezzadriRound of 32 · Lost to Franco Davin
- Q🇦🇷Daniel OrsanicRound of 32 · Lost to Horacio De La Pena
- 🇸🇪David EngelRound of 32 · Lost to Lars Jonsson
- 🇪🇸Francisco ClavetRound of 32 · Lost to Paolo Cane
- 🇵🇹Joao Cunha SilvaRound of 32 · Lost to Henri Leconte
- 🇿🇦Mark KaplanRound of 32 · Lost to Jose Antonio Pepe Conde
- 🇨🇿Martin StrelbaRound of 32 · Lost to Jakob Hlasek
- 🇸🇪Nicklas KultiRound of 32 · Lost to Michael Tauson
- Q🇦🇷Pablo AlbanoRound of 32 · Lost to Marc Rosset
- Q🇦🇷Roberto ArguelloRound of 32 · Lost to Alexander Mronz
- 🇦🇷Roberto AzarRound of 32 · Lost to Sergi Bruguera
- 🇩🇪Udo RiglewskiRound of 32 · Lost to Marian Vajda