BMW Open 1978
Guillermo Vilas won the title, beating Buster C Mottram 6–1 6–3 6–3 in the final.
Main draw 32 players
- 1🇦🇷Guillermo VilasFinal · Champion
- 2🇬🇧Buster C MottramFinal · Lost to Guillermo Vilas
- 3🇭🇺Balazs TaroczySemifinals · Lost to Guillermo Vilas
- 4🇩🇪Karl MeilerQuarterfinals · Lost to Zeljko Franulovic
- 5🇨🇱Hans GildemeisterRound of 16 · Lost to Vladimir Zednik
- 6🇭🇷Zeljko FranulovicSemifinals · Lost to Buster C Mottram
- 7🇺🇸Pat DupreRound of 16 · Lost to Ulrich Pinner
- 8🇨🇿Jiri HrebecRound of 32 · Lost to Francois Jauffret
- Q🇧🇷Carlos KirmayrQuarterfinals · Lost to Buster C Mottram
- 🇩🇪Ulrich PinnerQuarterfinals · Lost to Balazs Taroczy
- 🇨🇿Vladimir ZednikQuarterfinals · Lost to Guillermo Vilas
- 🇫🇷Francois JauffretRound of 16 · Lost to Carlos Kirmayr
- Q🇬🇧John FeaverRound of 16 · Lost to Zeljko Franulovic
- 🇩🇪Jurgen FassbenderRound of 16 · Lost to Guillermo Vilas
- 🇭🇷Nikola PilicRound of 16 · Lost to Balazs Taroczy
- 🇦🇹Peter FeiglRound of 16 · Lost to Karl Meiler
- Q🇦🇷Ricardo CanoRound of 16 · Lost to Buster C Mottram
- 🇿🇦Bob HewittRound of 32 · Lost to Karl Meiler
- 🇳🇿Brian FairlieRound of 32 · Lost to Nikola Pilic
- 🇫🇷Georges GovenRound of 32 · Lost to Vladimir Zednik
- 🇩🇪Gunther GnettnerRound of 32 · Lost to Guillermo Vilas
- 🇦🇹Hans KaryRound of 32 · Lost to Ricardo Cano
- 🇪🇬Ismail El ShafeiRound of 32 · Lost to John Feaver
- 🇫🇷Jean Francois CaujolleRound of 32 · Lost to Peter Feigl
- 🇦🇺John JamesRound of 32 · Lost to Pat Dupre
- 🇿🇦John YuillRound of 32 · Lost to Ulrich Pinner
- 🇳🇱Louk SandersRound of 32 · Lost to Balazs Taroczy
- Q🇩🇪Max WunschigRound of 32 · Lost to Carlos Kirmayr
- 🇳🇿Onny ParunRound of 32 · Lost to Jurgen Fassbender
- 🇨🇱Patricio CornejoRound of 32 · Lost to Hans Gildemeister
- 🇳🇱Tom OkkerRound of 32 · Lost to Zeljko Franulovic
- 🇩🇪Werner ZirngiblRound of 32 · Lost to Buster C Mottram