Vienna Open 1981
Ivan Lendl won the title, beating Brian Gottfried 1–6 6–0 6–1 6–2 in the final.
Main draw 48 players
- 1🇺🇸Ivan LendlFinal · Champion
- 2🇺🇸Brian GottfriedFinal · Lost to Ivan Lendl
- 3🇺🇸Stan SmithSemifinals · Lost to Brian Gottfried
- 4🇨🇿Tomas SmidSemifinals · Lost to Ivan Lendl
- 5🇺🇸Sandy MayerQuarterfinals · Lost to Ivan Lendl
- 6🇩🇪Rolf GehringQuarterfinals · Lost to Stan Smith
- 7🇧🇷Carlos KirmayrQuarterfinals · Lost to Brian Gottfried
- 8🇮🇱Shlomo GlicksteinRound of 32 · Lost to Jerome Potier
- 9🇺🇸John AustinRound of 16 · Lost to Stan Smith
- 10🇺🇸Sammy Giammalva JrRound of 32 · Lost to Matt Doyle
- 11🇨🇿Stanislav BirnerRound of 16 · Lost to Rolf Gehring
- 12🇨🇿Pavel SlozilRound of 16 · Lost to Carlos Kirmayr
- 13🇩🇪Ulrich PinnerRound of 64 · Lost to Richard Lewis
- 14🇺🇸Trey WaltkeRound of 64 · Lost to Karl Meiler
- 15🇪🇸Angel GimenezRound of 64 · Lost to Jonathan Smith
- 16🇺🇸Nick SavianoRound of 16 · Lost to Brian Gottfried
- 🇫🇷Jerome PotierQuarterfinals · Lost to Tomas Smid
- Q🇩🇪Christoph ZipfRound of 16 · Lost to Jerome Potier
- 🇬🇧Jonathan SmithRound of 16 · Lost to Tomas Smid
- 🇺🇸Matt DoyleRound of 16 · Lost to Sandy Mayer
- 🇨🇭Roland StadlerRound of 16 · Lost to Ivan Lendl
- 🇺🇸Andrew PattisonRound of 32 · Lost to Nick Saviano
- 🇿🇦Bernie MittonRound of 32 · Lost to Tomas Smid
- 🇺🇸Dave SieglerRound of 32 · Lost to John Austin
- 🇺🇸Eric FrommRound of 32 · Lost to Ivan Lendl
- 🇦🇹Hans KaryRound of 32 · Lost to Rolf Gehring
- 🇦🇹Hans Peter KandlerRound of 32 · Lost to Stanislav Birner
- 🇨🇿Jiri GranatRound of 32 · Lost to Pavel Slozil
- Q🇩🇪Karl MeilerRound of 32 · Lost to Roland Stadler
- 🇳🇱Louk SandersRound of 32 · Lost to Carlos Kirmayr
- 🇺🇸Mark VinesRound of 32 · Lost to Brian Gottfried
- 🇭🇷Marko OstojaRound of 32 · Lost to Jonathan Smith
- 🇦🇹Peter FeiglRound of 32 · Lost to Stan Smith
- Q🇬🇧Richard LewisRound of 32 · Lost to Christoph Zipf
- 🇺🇸Tim WilkisonRound of 32 · Lost to Sandy Mayer
- 🇦🇹Bernhard PilsRound of 64 · Lost to Matt Doyle
- 🇺🇸Billy MartinRound of 64 · Lost to Brian Gottfried
- 🇺🇸Chris MayotteRound of 64 · Lost to Peter Feigl
- 🇦🇹Ingo WimmerRound of 64 · Lost to Eric Fromm
- 🇺🇸Jay LapidusRound of 64 · Lost to Carlos Kirmayr
- 🇨🇿Jiri HrebecRound of 64 · Lost to Sandy Mayer
- 🇧🇷Joao SoaresRound of 64 · Lost to Jiri Granat
- 🇺🇸John HayesRound of 64 · Lost to Andrew Pattison
- 🇩🇪Klaus EberhardRound of 64 · Lost to Bernie Mitton
- Q🇨🇿Miloslav LacekRound of 64 · Lost to Stanislav Birner
- 🇨🇿Pavel HutkaRound of 64 · Lost to Hans Kary
- 🇺🇸Steve DentonRound of 64 · Lost to Shlomo Glickstein
- Q🇺🇸Steve MeisterRound of 64 · Lost to John Austin