Tulsa 1978
Eddie Dibbs won the title, beating Pat Dupre 6–7 6–2 7–5 in the final.
Main draw 32 players
- 1🇺🇸Eddie DibbsFinal · Champion
- 2🇺🇸Dick StocktonQuarterfinals · Lost to Pat Dupre
- 3🇺🇸Cliff RicheyRound of 32 · Lost to Carlos Kirmayr
- 4🇺🇸Terry MoorRound of 32 · Lost to Greg Halder
- 5🇺🇸Nick SavianoRound of 32 · Lost to Russell Simpson
- 6🇺🇸Gene MayerRound of 16 · Lost to Bruce Manson
- 7🇺🇸Pat DupreFinal · Lost to Eddie Dibbs
- 8🇿🇦Byron BertramRound of 32 · Lost to John James
- 🇦🇺John JamesSemifinals · Lost to Eddie Dibbs
- 🇦🇺Steve DochertySemifinals · Lost to Pat Dupre
- 🇺🇸Bruce MansonQuarterfinals · Lost to Eddie Dibbs
- 🇧🇷Carlos KirmayrQuarterfinals · Lost to John James
- 🇺🇸Pancho WalthallQuarterfinals · Lost to Steve Docherty
- 🇺🇸B NewmanRound of 16 · Lost to Dick Stockton
- 🇺🇸Bill ScanlonRound of 16 · Lost to John James
- 🇺🇸George HardieRound of 16 · Lost to Carlos Kirmayr
- 🇨🇦Greg HalderRound of 16 · Lost to Steve Docherty
- 🇬🇧John FeaverRound of 16 · Lost to Eddie Dibbs
- 🇸🇪Ove BengtsonRound of 16 · Lost to Pat Dupre
- 🇳🇿Russell SimpsonRound of 16 · Lost to Pancho Walthall
- 🇦🇺Bill LloydRound of 32 · Lost to Dick Stockton
- 🇺🇸Erik Van DillenRound of 32 · Lost to John Feaver
- 🇺🇸Ferdi TayganRound of 32 · Lost to Pat Dupre
- 🇺🇸Hubertus HoytRound of 32 · Lost to Eddie Dibbs
- 🇲🇽Marcello LaraRound of 32 · Lost to Gene Mayer
- 🇪🇨Ricardo YcazaRound of 32 · Lost to Bill Scanlon
- 🇬🇧Richard LewisRound of 32 · Lost to Steve Docherty
- 🇮🇳Sashi MenonRound of 32 · Lost to Pancho Walthall
- 🇺🇸Tim WilkisonRound of 32 · Lost to Bruce Manson
- 🇺🇸Trey WaltkeRound of 32 · Lost to George Hardie
- 🇺🇸Van WinitskyRound of 32 · Lost to B Newman
- 🇺🇸Woody BlocherRound of 32 · Lost to Ove Bengtson