Oviedo 1977
Eddie Dibbs won the title, beating Raul Ramirez 6–4 6–1 in the final.
Main draw 48 players
- 🇺🇸Eddie DibbsFinal · Champion
- 🇲🇽Raul RamirezFinal · Lost to Eddie Dibbs
- 🇨🇿Jan KodesSemifinals · Lost to Raul Ramirez
- 🇺🇸Peter FlemingSemifinals · Lost to Eddie Dibbs
- 🇺🇸Fred McnairQuarterfinals · Lost to Raul Ramirez
- 🇨🇿Jiri GranatQuarterfinals · Lost to Eddie Dibbs
- 🇬🇧Mark CoxQuarterfinals · Lost to Jan Kodes
- 🇺🇸Sherwood StewartQuarterfinals · Lost to Peter Fleming
- 🇮🇳Anand AmritrajRound of 16 · Lost to Fred Mcnair
- 🇸🇪Bjorn BorgRound of 16 · Lost to Sherwood Stewart
- 🇫🇷Christophe Roger-VasselinRound of 16 · Lost to Jan Kodes
- 🇫🇷Jean Louis HailletRound of 16 · Lost to Mark Cox
- 🇸🇪Kjell JohanssonRound of 16 · Lost to Eddie Dibbs
- 🇸🇪Ove BengtsonRound of 16 · Lost to Raul Ramirez
- 🇺🇸Stan SmithRound of 16 · Lost to Jiri Granat
- 🇭🇷Zeljko FranulovicRound of 16 · Lost to Peter Fleming
- 🇨🇱Alejandro PierolaRound of 32 · Lost to Raul Ramirez
- 🇦🇺Bill LloydRound of 32 · Lost to Fred Mcnair
- 🇺🇸Erik Van DillenRound of 32 · Lost to Jean Louis Haillet
- 🇵🇾Francisco GonzalezRound of 32 · Lost to Eddie Dibbs
- 🇨🇿Frantisek PalaRound of 32 · Lost to Zeljko Franulovic
- 🇫🇷Gerard ToulonRound of 32 · Lost to Ove Bengtson
- 🇨🇭Heinz GunthardtRound of 32 · Lost to Mark Cox
- 🇺🇸Howard SchoenfieldRound of 32 · Lost to Bjorn Borg
- 🇬🇧Jonathan SmithRound of 32 · Lost to Jan Kodes
- 🇪🇸Juan Ignacio MuntanolaRound of 32 · Lost to Kjell Johansson
- 🇨🇿Pavel HutkaRound of 32 · Lost to Sherwood Stewart
- 🇺🇸Rick FisherRound of 32 · Lost to Stan Smith
- 🇬🇧Roger TaylorRound of 32 · Lost to Christophe Roger-Vasselin
- 🇸🇪Rolf NorbergRound of 32 · Lost to Peter Fleming
- 🇺🇸Steve TurnerRound of 32 · Lost to Jiri Granat
- 🇨🇿Tomas SmidRound of 32 · Lost to Anand Amritraj
- 🇪🇸Aniceto AlvarezRound of 64 · Lost to Pavel Hutka
- 🇸🇪Birger AnderssonRound of 64 · Lost to Mark Cox
- 🇺🇸C SakolskyRound of 64 · Lost to Steve Turner
- 🇺🇸Dean Martin JrRound of 64 · Lost to Raul Ramirez
- E VasquezRound of 64 · Lost to Christophe Roger-Vasselin
- 🇺🇸Eric FriedlerRound of 64 · Lost to Bjorn Borg
- 🇦🇺Ernie EwertRound of 64 · Lost to Rick Fisher
- 🇺🇸Hubertus HoytRound of 64 · Lost to Rolf Norberg
- 🇦🇷Jorge ToderoRound of 64 · Lost to Ove Bengtson
- 🇪🇸L MaesoRound of 64 · Lost to Kjell Johansson
- 🇪🇸Miguel MirRound of 64 · Lost to Zeljko Franulovic
- 🇺🇸R MayerRound of 64 · Lost to Francisco Gonzalez
- 🇪🇸Roberto VizcainoRound of 64 · Lost to Tomas Smid
- 🇺🇸Scott ShannonRound of 64 · Lost to Jean Louis Haillet
- 🇺🇸T CareyRound of 64 · Lost to Bill Lloyd
- 🇺🇸Trey WaltkeRound of 64 · Lost to Jonathan Smith