Linz 1981
Gianni Ocleppo won the title, beating Mark Edmondson 7–5 6–1 in the final.
Main draw 32 players
- 1🇧🇷Carlos KirmayrRound of 16 · Lost to Louk Sanders
- 2🇨🇿Pavel SlozilRound of 32 · Lost to John Fitzgerald
- 3🇳🇿Chris LewisQuarterfinals · Lost to Mark Edmondson
- 4🇧🇷Marcos HocevarRound of 32 · Lost to Klaus Eberhard
- 5🇸🇪Per HjertquistRound of 32 · Lost to Robert Reininger
- 6🇺🇸Nick SavianoSemifinals · Lost to Mark Edmondson
- 7🇦🇺Mark EdmondsonFinal · Lost to Gianni Ocleppo
- 8🇦🇹Peter FeiglRound of 16 · Lost to Bernard Boileau
- 🇮🇹Gianni OcleppoFinal · Champion
- 🇳🇿Russell SimpsonSemifinals · Lost to Gianni Ocleppo
- 🇧🇪Bernard BoileauQuarterfinals · Lost to Russell Simpson
- 🇳🇱Louk SandersQuarterfinals · Lost to Nick Saviano
- 🇦🇹Robert ReiningerQuarterfinals · Lost to Gianni Ocleppo
- 🇦🇺Chris JohnstoneRound of 16 · Lost to Chris Lewis
- 🇮🇹Claudio PanattaRound of 16 · Lost to Nick Saviano
- 🇦🇹Hans KaryRound of 16 · Lost to Robert Reininger
- 🇦🇺John FitzgeraldRound of 16 · Lost to Gianni Ocleppo
- 🇩🇪Klaus EberhardRound of 16 · Lost to Russell Simpson
- 🇭🇷Zeljko FranulovicRound of 16 · Lost to Mark Edmondson
- 🇸🇪Anders JarrydRound of 32 · Lost to Chris Johnstone
- 🇦🇺Brad DrewettRound of 32 · Lost to Louk Sanders
- 🇧🇷Cassio MottaRound of 32 · Lost to Peter Feigl
- 🇫🇷Dominique BedelRound of 32 · Lost to Zeljko Franulovic
- 🇦🇹Gerard WimmerRound of 32 · Lost to Russell Simpson
- 🇸🇪Hans SimonssonRound of 32 · Lost to Gianni Ocleppo
- 🇩🇪Hartmut KirchhubelRound of 32 · Lost to Nick Saviano
- 🇦🇹Helmar StieglerRound of 32 · Lost to Claudio Panatta
- 🇨🇿Jiri GranatRound of 32 · Lost to Carlos Kirmayr
- 🇨🇿Jiri HrebecRound of 32 · Lost to Chris Lewis
- 🇩🇪Karl MeilerRound of 32 · Lost to Mark Edmondson
- 🇫🇷Paul TorreRound of 32 · Lost to Bernard Boileau
- 🇨🇿Pavel HutkaRound of 32 · Lost to Hans Kary