Louisville 1978
Harold Solomon won the title, beating John Alexander 6–2 6–2 in the final.
Main draw 64 players
- 1🇺🇸Brian GottfriedQuarterfinals · Lost to Wojtek Fibak
- 2🇺🇸Eddie DibbsSemifinals · Lost to John Alexander
- 3🇪🇸Manuel OrantesQuarterfinals · Lost to Harold Solomon
- 4🇺🇸Roscoe TannerRound of 32 · Lost to Patricio Cornejo
- 5🇺🇸Harold SolomonFinal · Champion
- 6🇺🇸Dick StocktonRound of 16 · Lost to Nick Saviano
- 7🇵🇱Wojtek FibakSemifinals · Lost to Harold Solomon
- 8🇦🇺John AlexanderFinal · Lost to Harold Solomon
- 9🇪🇸Jose HiguerasRound of 16 · Lost to Eddie Dibbs
- 10🇨🇱Jaime FillolRound of 16 · Lost to Manuel Orantes
- 11🇺🇸Stan SmithRound of 32 · Lost to Terry Moor
- 12🇨🇱Hans GildemeisterRound of 32 · Lost to Rod Frawley
- 13🇦🇺Phil DentRound of 16 · Lost to Harold Solomon
- 14🇵🇾Francisco GonzalezRound of 64 · Lost to Colin Dowdeswell
- 15🇦🇺Bob GiltinanRound of 64 · Lost to Nick Saviano
- 16🇺🇸Victor AmayaRound of 16 · Lost to Wojtek Fibak
- 🇺🇸Nick SavianoQuarterfinals · Lost to Eddie Dibbs
- 🇨🇱Patricio CornejoQuarterfinals · Lost to John Alexander
- 🇺🇸John AustinRound of 16 · Lost to Patricio Cornejo
- 🇦🇺Rod FrawleyRound of 16 · Lost to John Alexander
- 🇺🇸Terry MoorRound of 16 · Lost to Brian Gottfried
- 🇫🇷Bernard FritzRound of 32 · Lost to Harold Solomon
- 🇺🇸Billy MartinRound of 32 · Lost to Jose Higueras
- 🇺🇸Bruce MansonRound of 32 · Lost to Eddie Dibbs
- 🇬🇧Colin DowdeswellRound of 32 · Lost to John Austin
- 🇪🇬Ismail El ShafeiRound of 32 · Lost to Wojtek Fibak
- 🇨🇴Ivan MolinaRound of 32 · Lost to Manuel Orantes
- 🇦🇺John JamesRound of 32 · Lost to Nick Saviano
- 🇺🇸Keith RichardsonRound of 32 · Lost to Jaime Fillol
- 🇺🇸Mike CahillRound of 32 · Lost to Brian Gottfried
- 🇺🇸Pat DupreRound of 32 · Lost to John Alexander
- 🇦🇺Peter McnamaraRound of 32 · Lost to Phil Dent
- 🇺🇸Rick FagelRound of 32 · Lost to Dick Stockton
- 🇵🇾Victor PecciRound of 32 · Lost to Victor Amaya
- 🇨🇴Alvaro BetancurRound of 64 · Lost to Dick Stockton
- 🇺🇸Bill ScanlonRound of 64 · Lost to Victor Pecci
- 🇿🇦Bob HewittRound of 64 · Lost to Keith Richardson
- 🇳🇿Brian FairlieRound of 64 · Lost to Wojtek Fibak
- 🇺🇸Butch SeewagenRound of 64 · Lost to Rod Frawley
- 🇫🇷Christophe FreyssRound of 64 · Lost to Victor Amaya
- 🇦🇺Cliff LetcherRound of 64 · Lost to Patricio Cornejo
- 🇿🇦Deon JoubertRound of 64 · Lost to John James
- 🇦🇺Dick CrealyRound of 64 · Lost to Bernard Fritz
- 🇺🇸Eric FriedlerRound of 64 · Lost to Jose Higueras
- 🇺🇸George HardieRound of 64 · Lost to Phil Dent
- 🇨🇦Greg HalderRound of 64 · Lost to Pat Dupre
- 🇨🇭Heinz GunthardtRound of 64 · Lost to Hans Gildemeister
- 🇺🇸Joe MeyersRound of 64 · Lost to Jaime Fillol
- 🇦🇺John MarksRound of 64 · Lost to Billy Martin
- 🇿🇦John YuillRound of 64 · Lost to Manuel Orantes
- 🇺🇸Mel PurcellRound of 64 · Lost to John Austin
- 🇺🇸Mike MachetteRound of 64 · Lost to Terry Moor
- 🇦🇺Paul KronkRound of 64 · Lost to Rick Fagel
- 🇦🇺Paul McnameeRound of 64 · Lost to Eddie Dibbs
- 🇺🇸Peter PearsonRound of 64 · Lost to Roscoe Tanner
- 🇧🇴Ramiro BenavidesRound of 64 · Lost to John Alexander
- 🇦🇷Ricardo CanoRound of 64 · Lost to Harold Solomon
- 🇬🇧Robin DrysdaleRound of 64 · Lost to Peter Mcnamara
- 🇮🇳Sashi MenonRound of 64 · Lost to Stan Smith
- 🇺🇸Steve KrulevitzRound of 64 · Lost to Ivan Molina
- 🇦🇺Terry RocavertRound of 64 · Lost to Bruce Manson
- 🇺🇸Tim WilkisonRound of 64 · Lost to Ismail El Shafei
- 🇺🇸Tony GrahamRound of 64 · Lost to Mike Cahill
- 🇺🇸Trey WaltkeRound of 64 · Lost to Brian Gottfried