Bologna 1981
Sandy Mayer won the title, beating Ilie Nastase 7–5 6–3 in the final.
Main draw 32 players
- 1🇫🇷Yannick NoahQuarterfinals · Lost to Corrado Barazzutti
- 2🇭🇺Balazs TaroczyQuarterfinals · Lost to Ilie Nastase
- 3🇺🇸Sandy MayerFinal · Champion
- 4🇨🇿Tomas SmidSemifinals · Lost to Ilie Nastase
- 5🇺🇸Tim MayotteQuarterfinals · Lost to Sandy Mayer
- 6🇮🇹Adriano PanattaRound of 32 · Lost to Jiri Granat
- 7🇺🇸Hank PfisterRound of 16 · Lost to Corrado Barazzutti
- 8🇫🇷Thierry TulasneRound of 32 · Lost to Gianluca Rinaldini
- 🇷🇴Ilie NastaseFinal · Lost to Sandy Mayer
- 🇮🇹Corrado BarazzuttiSemifinals · Lost to Sandy Mayer
- 🇨🇿Jiri GranatQuarterfinals · Lost to Tomas Smid
- 🇮🇹Gianluca RinaldiniRound of 16 · Lost to Ilie Nastase
- 🇮🇹Gianni OcleppoRound of 16 · Lost to Tomas Smid
- 🇺🇸Glen HolroydRound of 16 · Lost to Jiri Granat
- 🇺🇸Jeff BorowiakRound of 16 · Lost to Yannick Noah
- 🇫🇷Jerome PotierRound of 16 · Lost to Sandy Mayer
- 🇺🇸Sammy Giammalva JrRound of 16 · Lost to Balazs Taroczy
- U HoigshoidtRound of 16 · Lost to Tim Mayotte
- 🇨🇱Alejandro PierolaRound of 32 · Lost to Hank Pfister
- 🇫🇷Bernard FritzRound of 32 · Lost to Glen Holroyd
- 🇺🇸Bob LutzRound of 32 · Lost to U Hoigshoidt
- 🇫🇷Christophe FreyssRound of 32 · Lost to Tomas Smid
- 🇫🇷Dominique BedelRound of 32 · Lost to Yannick Noah
- 🇮🇹Enzo VattuoneRound of 32 · Lost to Sandy Mayer
- 🇫🇷Gilles MorettonRound of 32 · Lost to Jeff Borowiak
- 🇫🇷Henri LeconteRound of 32 · Lost to Tim Mayotte
- 🇸🇪Jan GunnarssonRound of 32 · Lost to Ilie Nastase
- 🇸🇪Jan NorbackRound of 32 · Lost to Gianni Ocleppo
- 🇫🇷Jean Louis HailletRound of 32 · Lost to Jerome Potier
- 🇫🇷Pascal PortesRound of 32 · Lost to Sammy Giammalva Jr
- 🇺🇸Richard MeyerRound of 32 · Lost to Corrado Barazzutti
- 🇺🇸Tim WilkisonRound of 32 · Lost to Balazs Taroczy