Florence 1981
Jose Luis Clerc won the title, beating Raul Ramirez 6–1 6–2 in the final.
Main draw 32 players
- 1🇦🇷Jose Luis ClercFinal · Champion
- 2🇮🇹Adriano PanattaRound of 16 · Lost to Gilles Moretton
- 3🇲🇽Raul RamirezFinal · Lost to Jose Luis Clerc
- 4🇨🇿Pavel SlozilSemifinals · Lost to Jose Luis Clerc
- 5🇨🇱Jaime FillolRound of 32 · Lost to Belus Prajoux
- 6🇮🇹Paolo BertolucciQuarterfinals · Lost to Raul Ramirez
- 7🇺🇸Rick FagelRound of 32 · Lost to Diego Perez
- 8🇦🇺John AlexanderRound of 32 · Lost to Fabrizio Fanucci
- 🇫🇷Gilles MorettonSemifinals · Lost to Raul Ramirez
- 🇺🇾Diego PerezQuarterfinals · Lost to Pavel Slozil
- 🇦🇷Fernando Dalla FontanaQuarterfinals · Lost to Jose Luis Clerc
- 🇫🇷Patrick ProisyQuarterfinals · Lost to Gilles Moretton
- 🇮🇹Antonio ZugarelliRound of 16 · Lost to Pavel Slozil
- 🇨🇱Belus PrajouxRound of 16 · Lost to Fernando Dalla Fontana
- 🇺🇸Billy MartinRound of 16 · Lost to Paolo Bertolucci
- 🇮🇹Fabrizio FanucciRound of 16 · Lost to Patrick Proisy
- 🇦🇷Guillermo AuboneRound of 16 · Lost to Jose Luis Clerc
- 🇭🇷Marko OstojaRound of 16 · Lost to Raul Ramirez
- 🇭🇷Zeljko FranulovicRound of 16 · Lost to Diego Perez
- 🇨🇱Alvaro FillolRound of 32 · Lost to Marko Ostoja
- 🇺🇸Ben MckownRound of 32 · Lost to Jose Luis Clerc
- 🇺🇸Ben TestermanRound of 32 · Lost to Fernando Dalla Fontana
- 🇺🇸Eric FrommRound of 32 · Lost to Zeljko Franulovic
- 🇮🇹Gianluca RinaldiniRound of 32 · Lost to Gilles Moretton
- 🇦🇷Gustavo GuerreroRound of 32 · Lost to Patrick Proisy
- 🇦🇹Hans KaryRound of 32 · Lost to Guillermo Aubone
- 🇸🇪Hans SimonssonRound of 32 · Lost to Adriano Panatta
- 🇪🇬Ismail El ShafeiRound of 32 · Lost to Paolo Bertolucci
- 🇨🇿Jan KodesRound of 32 · Lost to Antonio Zugarelli
- 🇫🇷Jean Francois CaujolleRound of 32 · Lost to Billy Martin
- 🇮🇹Patrizio ParriniRound of 32 · Lost to Pavel Slozil
- 🇨🇱Ricardo AcunaRound of 32 · Lost to Raul Ramirez