Vienna Open 1978
Stan Smith won the title, beating Balazs Taroczy 4–6 7–6 7–6 6–3 in the final.
Main draw 32 players
- 1🇺🇸Brian GottfriedQuarterfinals · Lost to Johan Kriek
- 2🇮🇹Corrado BarazzuttiSemifinals · Lost to Stan Smith
- 3🇭🇺Balazs TaroczyFinal · Lost to Stan Smith
- 4🇺🇸Stan SmithFinal · Champion
- 5🇺🇸Johan KriekSemifinals · Lost to Balazs Taroczy
- 6🇨🇿Tomas SmidQuarterfinals · Lost to Corrado Barazzutti
- 7🇨🇱Jaime FillolRound of 32 · Lost to Ove Bengtson
- 8🇩🇪Karl MeilerRound of 16 · Lost to John Austin
- 🇺🇸John AustinQuarterfinals · Lost to Balazs Taroczy
- 🇸🇪Ove BengtsonQuarterfinals · Lost to Stan Smith
- 🇪🇸Antonio MunozRound of 16 · Lost to Stan Smith
- 🇿🇦Bernie MittonRound of 16 · Lost to Balazs Taroczy
- 🇦🇺Cliff LetcherRound of 16 · Lost to Corrado Barazzutti
- 🇿🇦Frew McmillanRound of 16 · Lost to Tomas Smid
- Q🇺🇸John SadriRound of 16 · Lost to Ove Bengtson
- Q🇨🇿Pavel HutkaRound of 16 · Lost to Johan Kriek
- 🇺🇸Tom GulliksonRound of 16 · Lost to Brian Gottfried
- Q🇺🇸Ferdi TayganRound of 32 · Lost to Johan Kriek
- 🇵🇾Francisco GonzalezRound of 32 · Lost to Corrado Barazzutti
- 🇺🇸George HardieRound of 32 · Lost to Tomas Smid
- 🇦🇹Hans KaryRound of 32 · Lost to Stan Smith
- Q🇺🇸Ivan LendlRound of 32 · Lost to Bernie Mitton
- 🇨🇿Jan KodesRound of 32 · Lost to Brian Gottfried
- 🇦🇺John JamesRound of 32 · Lost to Cliff Letcher
- 🇫🇷Patrick ProisyRound of 32 · Lost to Antonio Munoz
- 🇦🇺Paul KronkRound of 32 · Lost to John Austin
- 🇦🇹Peter FeiglRound of 32 · Lost to Pavel Hutka
- 🇬🇧Richard LewisRound of 32 · Lost to Frew Mcmillan
- 🇦🇹Robert ReiningerRound of 32 · Lost to John Sadri
- 🇬🇧Roger TaylorRound of 32 · Lost to Tom Gullikson
- 🇨🇿Stanislav BirnerRound of 32 · Lost to Balazs Taroczy
- 🇵🇾Victor PecciRound of 32 · Lost to Karl Meiler