Baltimore 1978
Cliff Drysdale won the title, beating Tom Gorman 7–5 6–3 in the final.
Main draw 32 players
- 1🇷🇴Ilie NastaseQuarterfinals · Lost to Tom Gorman
- 2🇵🇱Wojtek FibakRound of 16 · Lost to Cliff Richey
- 3🇬🇧Buster C MottramSemifinals · Lost to Cliff Drysdale
- 4🇮🇹Adriano PanattaRound of 32 · Lost to George Hardie
- 5🇿🇦Cliff DrysdaleFinal · Champion
- 6🇮🇹Paolo BertolucciRound of 32 · Lost to Erik Van Dillen
- 7🇺🇸Tom GormanFinal · Lost to Cliff Drysdale
- 🇺🇸George HardieSemifinals · Lost to Tom Gorman
- 🇺🇸Cliff RicheyQuarterfinals · Lost to Cliff Drysdale
- 🇦🇺Dick CrealyQuarterfinals · Lost to Buster C Mottram
- 🇺🇸Sherwood StewartQuarterfinals · Lost to George Hardie
- 🇮🇹Antonio ZugarelliRound of 16 · Lost to Dick Crealy
- 🇺🇸Erik Van DillenRound of 16 · Lost to Sherwood Stewart
- 🇿🇦Frew McmillanRound of 16 · Lost to Ilie Nastase
- 🇦🇺John JamesRound of 16 · Lost to Cliff Drysdale
- 🇺🇸Nick SavianoRound of 16 · Lost to Tom Gorman
- 🇺🇸Rick FagelRound of 16 · Lost to Buster C Mottram
- 🇦🇺Ross CaseRound of 16 · Lost to George Hardie
- 🇺🇸Charlie PasarellRound of 32 · Lost to Frew Mcmillan
- 🇺🇸Eliot TeltscherRound of 32 · Lost to Ilie Nastase
- 🇺🇸Keith RichardsonRound of 32 · Lost to Nick Saviano
- 🇺🇸Mike CahillRound of 32 · Lost to Tom Gorman
- 🇺🇸Mike FishbachRound of 32 · Lost to Cliff Richey
- 🇺🇸Pat DupreRound of 32 · Lost to Wojtek Fibak
- 🇦🇺Paul McnameeRound of 32 · Lost to Sherwood Stewart
- 🇬🇧Richard LewisRound of 32 · Lost to Antonio Zugarelli
- 🇺🇸Richard MeyerRound of 32 · Lost to Rick Fagel
- 🇺🇸Rick FisherRound of 32 · Lost to Buster C Mottram
- 🇬🇧Roger TaylorRound of 32 · Lost to Ross Case
- 🇺🇸Terry MoorRound of 32 · Lost to John James
- 🇺🇸Zan GuerryRound of 32 · Lost to Cliff Drysdale
- 🇭🇷Zeljko FranulovicRound of 32 · Lost to Dick Crealy