Dayton 1978
Brian Gottfried won the title, beating Eddie Dibbs 2–6 6–4 7–6 in the final.
Main draw 32 players
- 1🇺🇸Brian GottfriedFinal · Champion
- 2🇺🇸Eddie DibbsFinal · Lost to Brian Gottfried
- 3🇺🇸Harold SolomonSemifinals · Lost to Eddie Dibbs
- 4🇺🇸Tim GulliksonQuarterfinals · Lost to Arthur Ashe
- 5🇺🇸Arthur AsheSemifinals · Lost to Brian Gottfried
- 6🇺🇸Hank PfisterQuarterfinals · Lost to Harold Solomon
- 🇦🇺Dick CrealyQuarterfinals · Lost to Eddie Dibbs
- 🇺🇸Tom GulliksonQuarterfinals · Lost to Brian Gottfried
- 🇮🇳Anand AmritrajRound of 16 · Lost to Hank Pfister
- 🇮🇳Ashok AmritrajRound of 16 · Lost to Arthur Ashe
- 🇺🇸Billy MartinRound of 16 · Lost to Brian Gottfried
- 🇿🇦Byron BertramRound of 16 · Lost to Tom Gullikson
- Q🇺🇸Gene MayerRound of 16 · Lost to Harold Solomon
- 🇿🇦John YuillRound of 16 · Lost to Eddie Dibbs
- 🇸🇪Ove BengtsonRound of 16 · Lost to Tim Gullikson
- 🇺🇸Terry MoorRound of 16 · Lost to Dick Crealy
- 🇿🇦Bernie MittonRound of 32 · Lost to Tim Gullikson
- 🇺🇸Brian TeacherRound of 32 · Lost to Eddie Dibbs
- 🇺🇸Butch WaltsRound of 32 · Lost to Arthur Ashe
- Q🇺🇸David SchneiderRound of 32 · Lost to Hank Pfister
- LL🇺🇸Dick BohrnstedtRound of 32 · Lost to Dick Crealy
- Q🇺🇸Erik Van DillenRound of 32 · Lost to Anand Amritraj
- 🇦🇺Geoff MastersRound of 32 · Lost to John Yuill
- 🇺🇸George HardieRound of 32 · Lost to Terry Moor
- 🇲🇽Marcello LaraRound of 32 · Lost to Ove Bengtson
- 🇺🇸Nick SavianoRound of 32 · Lost to Harold Solomon
- 🇺🇸Pat DupreRound of 32 · Lost to Brian Gottfried
- 🇦🇺Ross CaseRound of 32 · Lost to Gene Mayer
- 🇮🇳Sashi MenonRound of 32 · Lost to Byron Bertram
- LL🇺🇸Steve KrulevitzRound of 32 · Lost to Tom Gullikson
- 🇦🇺Tony RocheRound of 32 · Lost to Billy Martin
- 🇮🇳Vijay AmritrajRound of 32 · Lost to Ashok Amritraj