Bossonnens CH 1990
Cristiano Caratti won the title, beating Michiel Schapers 6–4 3–6 7–6 in the final.
Main draw 32 players
- 1🇮🇹Renzo FurlanRound of 32 · Lost to Leif Shiras
- 2🇵🇹Nuno MarquesRound of 16 · Lost to Diego Nargiso
- 3🇮🇹Claudio PistolesiRound of 32 · Lost to Serge Soulie
- 4🇵🇹Joao Cunha SilvaRound of 32 · Lost to Rodolphe Gilbert
- 5🇮🇹Cristiano CarattiFinal · Champion
- 6🇫🇷Cedric PiolineQuarterfinals · Lost to Michiel Schapers
- 7🇧🇪Eduardo MassoQuarterfinals · Lost to Markus Rackl
- 8🇳🇱Jacco EltinghRound of 16 · Lost to Peter Nyborg
- 🇳🇱Michiel SchapersFinal · Lost to Cristiano Caratti
- 🇮🇹Diego NargisoSemifinals · Lost to Michiel Schapers
- Q🇩🇪Markus RacklSemifinals · Lost to Cristiano Caratti
- LL🇸🇪Peter NyborgQuarterfinals · Lost to Diego Nargiso
- WCBAHRoger SmithQuarterfinals · Lost to Cristiano Caratti
- 🇸🇰Branislav StankovicRound of 16 · Lost to Cedric Pioline
- 🇺🇸Leif ShirasRound of 16 · Lost to Markus Rackl
- 🇫🇷Rodolphe GilbertRound of 16 · Lost to Roger Smith
- Q🇫🇷Serge SoulieRound of 16 · Lost to Michiel Schapers
- WC🇨🇭Stefano MezzadriRound of 16 · Lost to Cristiano Caratti
- 🇳🇱Tom NijssenRound of 16 · Lost to Eduardo Masso
- 🇬🇷Andreas FikasRound of 32 · Lost to Diego Nargiso
- 🇫🇷Arnaud BoetschRound of 32 · Lost to Cristiano Caratti
- 🇨🇦Chris PridhamRound of 32 · Lost to Jacco Eltingh
- 🇩🇪Christian WeisRound of 32 · Lost to Markus Rackl
- 🇨🇭Claudio MezzadriRound of 32 · Lost to Branislav Stankovic
- Q🇦🇹Gerald MandlRound of 32 · Lost to Peter Nyborg
- 🇮🇹Gianluca PozziRound of 32 · Lost to Michiel Schapers
- 🇸🇪Henrik HolmRound of 32 · Lost to Eduardo Masso
- 🇸🇪Jan ApellRound of 32 · Lost to Roger Smith
- 🇮🇹Paolo PambiancoRound of 32 · Lost to Cedric Pioline
- 🇩🇪Patrick BaurRound of 32 · Lost to Tom Nijssen
- Q🇦🇺Peter CarterRound of 32 · Lost to Stefano Mezzadri
- 🇨🇿Vaclav RoubicekRound of 32 · Lost to Nuno Marques