North Conway 1978
Eddie Dibbs won the title, beating John Alexander 6–4 6–4 in the final.
Main draw 48 players
- 1🇺🇸Eddie DibbsFinal · Champion
- 2🇺🇸Brian GottfriedRound of 16 · Lost to John Alexander
- 3🇪🇸Manuel OrantesSemifinals · Lost to Eddie Dibbs
- 4🇮🇹Corrado BarazzuttiSemifinals · Lost to John Alexander
- 5🇺🇸Harold SolomonQuarterfinals · Lost to Eddie Dibbs
- 6🇪🇸Jose HiguerasRound of 64 · Lost to Gene Mayer
- 7🇵🇱Wojtek FibakQuarterfinals · Lost to Manuel Orantes
- 8🇦🇺Ken RosewallRound of 64 · Lost to Zeljko Franulovic
- 9🇦🇺John AlexanderFinal · Lost to Eddie Dibbs
- 10🇺🇸Arthur AsheRound of 16 · Lost to Wojtek Fibak
- 11🇨🇱Jaime FillolRound of 16 · Lost to Eddie Dibbs
- 12🇺🇸Tim GulliksonRound of 16 · Lost to Heinz Gunthardt
- 13🇺🇸Stan SmithRound of 32 · Lost to Bruce Manson
- 14🇨🇱Hans GildemeisterRound of 16 · Lost to Manuel Orantes
- 15🇺🇸Bob LutzRound of 32 · Lost to Tom Gullikson
- 16🇺🇸Hank PfisterRound of 16 · Lost to Corrado Barazzutti
- 🇺🇸Gene MayerQuarterfinals · Lost to Corrado Barazzutti
- 🇨🇭Heinz GunthardtQuarterfinals · Lost to John Alexander
- 🇺🇸Bruce MansonRound of 16 · Lost to Gene Mayer
- 🇺🇸Tom GulliksonRound of 16 · Lost to Harold Solomon
- 🇿🇦Bernie MittonRound of 32 · Lost to Jaime Fillol
- Q🇺🇸Christopher SylvanRound of 32 · Lost to John Alexander
- 🇦🇺Cliff LetcherRound of 32 · Lost to Wojtek Fibak
- 🇸🇪Douglas PalmRound of 32 · Lost to Harold Solomon
- 🇵🇾Francisco GonzalezRound of 32 · Lost to Corrado Barazzutti
- 🇺🇸Johan KriekRound of 32 · Lost to Tim Gullikson
- 🇦🇺John BartlettRound of 32 · Lost to Arthur Ashe
- 🇺🇸Mike FishbachRound of 32 · Lost to Manuel Orantes
- 🇺🇸Nick SavianoRound of 32 · Lost to Hans Gildemeister
- 🇺🇸Pat DupreRound of 32 · Lost to Brian Gottfried
- 🇬🇧Robin DrysdaleRound of 32 · Lost to Gene Mayer
- Q🇺🇸Tim GarciaRound of 32 · Lost to Hank Pfister
- 🇺🇸Van WinitskyRound of 32 · Lost to Eddie Dibbs
- 🇭🇷Zeljko FranulovicRound of 32 · Lost to Heinz Gunthardt
- 🇺🇸Alan ChandronnaitRound of 64 · Lost to Tom Gullikson
- 🇿🇦Bob HewittRound of 64 · Lost to Eddie Dibbs
- 🇺🇸Chris MayotteRound of 64 · Lost to Johan Kriek
- 🇬🇧Colin DowdeswellRound of 64 · Lost to Cliff Letcher
- 🇦🇺Dick CrealyRound of 64 · Lost to Bernie Mitton
- Q🇺🇸Doug CrawfordRound of 64 · Lost to Nick Saviano
- 🇦🇹Hans KaryRound of 64 · Lost to Pat Dupre
- 🇸🇪Jan NorbackRound of 64 · Lost to Arthur Ashe
- 🇺🇸John SadriRound of 64 · Lost to Harold Solomon
- Q🇺🇸Larry GottfriedRound of 64 · Lost to Manuel Orantes
- Q🇦🇺Paul KronkRound of 64 · Lost to John Alexander
- 🇺🇸Peter PearsonRound of 64 · Lost to Hank Pfister
- Q🇮🇹Roberto LombardiRound of 64 · Lost to Bruce Manson
- 🇦🇺Rod FrawleyRound of 64 · Lost to Corrado Barazzutti