Stuttgart Outdoor 1978
Ulrich Pinner won the title, beating Kim Warwick 6–2 6–2 7–6 in the final.
Main draw 32 players
- 🇩🇪Ulrich PinnerFinal · Champion
- 🇦🇺Kim WarwickFinal · Lost to Ulrich Pinner
- 🇬🇧Buster C MottramSemifinals · Lost to Kim Warwick
- 🇧🇷Carlos KirmayrSemifinals · Lost to Ulrich Pinner
- 🇨🇱Belus PrajouxQuarterfinals · Lost to Buster C Mottram
- 🇩🇪Klaus EberhardQuarterfinals · Lost to Carlos Kirmayr
- Q🇩🇪Peter ElterQuarterfinals · Lost to Ulrich Pinner
- 🇭🇷Zeljko FranulovicQuarterfinals · Lost to Kim Warwick
- 🇫🇷Eric DeblickerRound of 16 · Lost to Belus Prajoux
- 🇩🇪Hans Jurgen PohmannRound of 16 · Lost to Kim Warwick
- 🇨🇿Jiri PruchaRound of 16 · Lost to Klaus Eberhard
- 🇬🇧John FeaverRound of 16 · Lost to Ulrich Pinner
- 🇩🇪Jurgen FassbenderRound of 16 · Lost to Zeljko Franulovic
- 🇨🇿Pavel HutkaRound of 16 · Lost to Carlos Kirmayr
- 🇩🇪Rolf GehringRound of 16 · Lost to Buster C Mottram
- 🇨🇿Tomas SmidRound of 16 · Lost to Peter Elter
- Q🇩🇪Andreas MaurerRound of 32 · Lost to Hans Jurgen Pohmann
- 🇦🇺David CarterRound of 32 · Lost to John Feaver
- 🇫🇷Georges GovenRound of 32 · Lost to Jurgen Fassbender
- 🇨🇿Jan KodesRound of 32 · Lost to Jiri Prucha
- 🇨🇿Jiri GranatRound of 32 · Lost to Pavel Hutka
- 🇨🇿Jiri HrebecRound of 32 · Lost to Peter Elter
- 🇦🇷Lito AlvarezRound of 32 · Lost to Belus Prajoux
- 🇭🇷Nikola PilicRound of 32 · Lost to Buster C Mottram
- 🇳🇿Onny ParunRound of 32 · Lost to Rolf Gehring
- 🇦🇹Peter FeiglRound of 32 · Lost to Eric Deblicker
- Q🇩🇪Reinhart ProbstRound of 32 · Lost to Zeljko Franulovic
- 🇬🇧Richard LewisRound of 32 · Lost to Klaus Eberhard
- 🇳🇱Rolf ThungRound of 32 · Lost to Kim Warwick
- 🇨🇿Vladimir ZednikRound of 32 · Lost to Carlos Kirmayr
- Q🇩🇪Werner ZirngiblRound of 32 · Lost to Tomas Smid
- 🇭🇷Zlatko IvancicRound of 32 · Lost to Ulrich Pinner