San Francisco 1978
John McEnroe won the title, beating Dick Stockton 2–6 7–6 6–2 in the final.
Main draw 64 players
- 1🇸🇪Bjorn BorgRound of 16 · Lost to Andrew Pattison
- 2🇺🇸Vitas GerulaitisRound of 16 · Lost to Adriano Panatta
- 3🇺🇸Brian GottfriedRound of 64 · Lost to Allan Stone
- 4🇺🇸Eddie DibbsSemifinals · Lost to John McEnroe
- 5🇺🇸Roscoe TannerQuarterfinals · Lost to Eddie Dibbs
- 6🇺🇸Sandy MayerRound of 16 · Lost to Brian Teacher
- 7🇺🇸Harold SolomonRound of 64 · Lost to Bruce Manson
- 8🇺🇸John McEnroeFinal · Champion
- 9🇺🇸Arthur AsheRound of 64 · Lost to Kim Warwick
- 10🇺🇸Dick StocktonFinal · Lost to John McEnroe
- 11🇺🇸Tim GulliksonRound of 32 · Lost to Hank Pfister
- 12🇺🇸Stan SmithRound of 64 · Lost to Mike Cahill
- 13🇬🇧John LloydRound of 16 · Lost to Roscoe Tanner
- 14🇺🇸Bob LutzRound of 32 · Lost to Brian Teacher
- 15🇦🇺Tony RocheRound of 32 · Lost to Johan Kriek
- 16🇮🇹Adriano PanattaQuarterfinals · Lost to John McEnroe
- 🇺🇸Pat DupreSemifinals · Lost to Dick Stockton
- 🇺🇸Andrew PattisonQuarterfinals · Lost to Pat Dupre
- 🇺🇸Brian TeacherQuarterfinals · Lost to Dick Stockton
- 🇺🇸Hank PfisterRound of 16 · Lost to Eddie Dibbs
- 🇺🇸Johan KriekRound of 16 · Lost to Pat Dupre
- 🇦🇺Kim WarwickRound of 16 · Lost to John McEnroe
- 🇺🇸Sherwood StewartRound of 16 · Lost to Dick Stockton
- 🇦🇺Allan StoneRound of 32 · Lost to Sherwood Stewart
- 🇿🇦Bob HewittRound of 32 · Lost to Vitas Gerulaitis
- 🇺🇸Bruce MansonRound of 32 · Lost to Pat Dupre
- 🇦🇺Geoff MastersRound of 32 · Lost to Sandy Mayer
- 🇺🇸Jeff BorowiakRound of 32 · Lost to Roscoe Tanner
- 🇺🇸Marty RiessenRound of 32 · Lost to John McEnroe
- 🇺🇸Mike CahillRound of 32 · Lost to Andrew Pattison
- 🇺🇸Mike FishbachRound of 32 · Lost to Adriano Panatta
- 🇸🇪Ove BengtsonRound of 32 · Lost to Bjorn Borg
- Q🇺🇸Robert Vant HofRound of 32 · Lost to Kim Warwick
- 🇺🇸Terry MoorRound of 32 · Lost to John Lloyd
- 🇦🇺Terry RocavertRound of 32 · Lost to Dick Stockton
- 🇵🇾Victor PecciRound of 32 · Lost to Eddie Dibbs
- Q🇺🇸Andy LucchesiRound of 64 · Lost to Bjorn Borg
- 🇿🇦Bernie MittonRound of 64 · Lost to Terry Moor
- Q🇺🇸Brad RoweRound of 64 · Lost to Sandy Mayer
- Q🇺🇸Bruce NicholsRound of 64 · Lost to Ove Bengtson
- 🇺🇸Butch WaltsRound of 64 · Lost to Dick Stockton
- 🇦🇺Cliff LetcherRound of 64 · Lost to Pat Dupre
- 🇦🇺Colin DibleyRound of 64 · Lost to Hank Pfister
- 🇺🇸David SchneiderRound of 64 · Lost to John McEnroe
- 🇺🇸Dennis RalstonRound of 64 · Lost to Tim Gullikson
- 🇺🇸Eliot TeltscherRound of 64 · Lost to Eddie Dibbs
- 🇺🇸Erik Van DillenRound of 64 · Lost to Terry Rocavert
- 🇿🇦Frew McmillanRound of 64 · Lost to Andrew Pattison
- 🇺🇸Gene MayerRound of 64 · Lost to Johan Kriek
- Q🇺🇸Howard SchoenfieldRound of 64 · Lost to Marty Riessen
- 🇸🇪Jan NorbackRound of 64 · Lost to Mike Fishbach
- Q🇫🇷Jean Baptiste ChanfreauRound of 64 · Lost to Bob Lutz
- Q🇺🇸Jerry Van LingeRound of 64 · Lost to Jeff Borowiak
- 🇺🇸John AustinRound of 64 · Lost to Roscoe Tanner
- 🇺🇸Lloyd BourneRound of 64 · Lost to Geoff Masters
- 🇺🇸Nick SavianoRound of 64 · Lost to Victor Pecci
- 🇺🇸Peter FlemingRound of 64 · Lost to Vitas Gerulaitis
- 🇿🇦Raymond MooreRound of 64 · Lost to Sherwood Stewart
- 🇬🇧Roger TaylorRound of 64 · Lost to Adriano Panatta
- 🇦🇺Ross CaseRound of 64 · Lost to Tony Roche
- 🇺🇸Tom GulliksonRound of 64 · Lost to John Lloyd
- 🇺🇸Tony GrahamRound of 64 · Lost to Bob Hewitt
- 🇺🇸Trey WaltkeRound of 64 · Lost to Brian Teacher
- 🇿🇦Willem PrinslooRound of 64 · Lost to Robert Vant Hof