Boston 1978
Manuel Orantes won the title, beating Harold Solomon 6–4 6–3 in the final.
Main draw 64 players
- 1🇺🇸Eddie DibbsRound of 32 · Lost to Victor Pecci
- 2🇲🇽Raul RamirezRound of 16 · Lost to Jose Luis Clerc
- 3🇮🇹Corrado BarazzuttiSemifinals · Lost to Harold Solomon
- 4🇪🇸Manuel OrantesFinal · Champion
- 5🇺🇸Harold SolomonFinal · Lost to Manuel Orantes
- 6🇵🇱Wojtek FibakQuarterfinals · Lost to Manuel Orantes
- 7🇪🇸Jose HiguerasQuarterfinals · Lost to Corrado Barazzutti
- 8🇺🇸Arthur AsheSemifinals · Lost to Manuel Orantes
- 9🇺🇸John McEnroeQuarterfinals · Lost to Harold Solomon
- 10🇬🇧Buster C MottramRound of 32 · Lost to Paolo Bertolucci
- 12🇨🇱Jaime FillolRound of 16 · Lost to Jose Higueras
- 13🇦🇷Jose Luis ClercQuarterfinals · Lost to Arthur Ashe
- 14🇬🇧John LloydRound of 64 · Lost to Chris Lewis
- 15🇮🇹Adriano PanattaRound of 32 · Lost to Steve Krulevitz
- 16🇭🇺Balazs TaroczyRound of 32 · Lost to Peter Feigl
- 🇳🇿Chris LewisRound of 16 · Lost to Wojtek Fibak
- 🇮🇹Paolo BertolucciRound of 16 · Lost to Manuel Orantes
- 🇦🇹Peter FeiglRound of 16 · Lost to Harold Solomon
- 🇦🇺Peter McnamaraRound of 16 · Lost to Corrado Barazzutti
- Q🇺🇸Steve KrulevitzRound of 16 · Lost to Arthur Ashe
- 🇵🇾Victor PecciRound of 16 · Lost to John McEnroe
- Q🇪🇸Antonio MunozRound of 32 · Lost to Chris Lewis
- 🇺🇸Billy MartinRound of 32 · Lost to Corrado Barazzutti
- LL🇺🇸Cary StansburyRound of 32 · Lost to Peter Mcnamara
- 🇫🇷Gilles MorettonRound of 32 · Lost to Jaime Fillol
- 🇦🇹Hans KaryRound of 32 · Lost to Manuel Orantes
- 🇦🇺John MarksRound of 32 · Lost to Jose Luis Clerc
- 🇺🇸Marty RiessenRound of 32 · Lost to Arthur Ashe
- 🇫🇷Patrice DominguezRound of 32 · Lost to Raul Ramirez
- 🇺🇸Terry MoorRound of 32 · Lost to Harold Solomon
- 🇳🇱Tom OkkerRound of 32 · Lost to Wojtek Fibak
- 🇨🇿Tomas SmidRound of 32 · Lost to Jose Higueras
- 🇭🇷Zeljko FranulovicRound of 32 · Lost to John McEnroe
- 🇨🇴Alvaro BetancurRound of 64 · Lost to Gilles Moretton
- Q🇨🇱Alvaro FillolRound of 64 · Lost to Steve Krulevitz
- 🇨🇱Belus PrajouxRound of 64 · Lost to Manuel Orantes
- 🇫🇷Bernard FritzRound of 64 · Lost to Buster C Mottram
- 🇿🇦Bernie MittonRound of 64 · Lost to Victor Pecci
- 🇿🇦Bob HewittRound of 64 · Lost to Adriano Panatta
- Q🇦🇺Brad DrewettRound of 64 · Lost to Balazs Taroczy
- 🇦🇺Cliff LetcherRound of 64 · Lost to Cary Stansbury
- 🇦🇺Dick CrealyRound of 64 · Lost to Billy Martin
- 🇺🇸Doug CrawfordRound of 64 · Lost to Patrice Dominguez
- 🇺🇸Erick IskerskyRound of 64 · Lost to Arthur Ashe
- 🇦🇺Geoff MastersRound of 64 · Lost to Harold Solomon
- 🇮🇹Gianni OcleppoRound of 64 · Lost to Peter Feigl
- 🇨🇭Heinz GunthardtRound of 64 · Lost to Jose Higueras
- Q🇺🇸Howard SchoenfieldRound of 64 · Lost to Zeljko Franulovic
- 🇨🇴Ivan MolinaRound of 64 · Lost to Raul Ramirez
- 🇬🇧Jonathan SmithRound of 64 · Lost to Marty Riessen
- Q🇻🇪Jorge AndrewRound of 64 · Lost to Terry Moor
- 🇸🇪Kjell JohanssonRound of 64 · Lost to John Marks
- 🇦🇷Lito AlvarezRound of 64 · Lost to Tom Okker
- 🇺🇸Mike FishbachRound of 64 · Lost to Paolo Bertolucci
- 🇦🇺Noel PhillipsRound of 64 · Lost to Hans Kary
- 🇫🇷Pascal PortesRound of 64 · Lost to Wojtek Fibak
- 🇨🇱Patricio CornejoRound of 64 · Lost to Jose Luis Clerc
- Q🇧🇴Ramiro BenavidesRound of 64 · Lost to Tomas Smid
- 🇬🇧Robin DrysdaleRound of 64 · Lost to Jaime Fillol
- 🇦🇺Steve DochertyRound of 64 · Lost to Peter Mcnamara
- Q🇸🇪Tenny SvenssonRound of 64 · Lost to Corrado Barazzutti
- 🇺🇸Van WinitskyRound of 64 · Lost to Antonio Munoz
- 🇺🇸Victor AmayaRound of 64 · Lost to Eddie Dibbs
- 🇨🇿Vladimir ZednikRound of 64 · Lost to John McEnroe