Mexico City 1978
Vijay Amritraj won the title, beating Raul Ramirez 6–4 6–4 in the final.
Main draw 32 players
- 🇮🇳Vijay AmritrajFinal · Champion
- 🇲🇽Raul RamirezFinal · Lost to Vijay Amritraj
- 🇻🇪Jorge AndrewSemifinals · Lost to Raul Ramirez
- 🇮🇳Sashi MenonSemifinals · Lost to Vijay Amritraj
- 🇮🇳Anand AmritrajQuarterfinals · Lost to Jorge Andrew
- 🇺🇸Eric FriedlerQuarterfinals · Lost to Raul Ramirez
- 🇦🇷Lito AlvarezQuarterfinals · Lost to Vijay Amritraj
- 🇲🇽Roberto ChavezQuarterfinals · Lost to Sashi Menon
- 🇪🇸Antonio MunozRound of 16 · Lost to Eric Friedler
- 🇺🇸Fred McnairRound of 16 · Lost to Sashi Menon
- 🇺🇸George HardieRound of 16 · Lost to Lito Alvarez
- 🇦🇺John AlexanderRound of 16 · Lost to Roberto Chavez
- 🇺🇸Peter PearsonRound of 16 · Lost to Vijay Amritraj
- 🇺🇸Rick FisherRound of 16 · Lost to Raul Ramirez
- 🇳🇿Russell SimpsonRound of 16 · Lost to Anand Amritraj
- 🇦🇺Steve DochertyRound of 16 · Lost to Jorge Andrew
- 🇲🇽A Hernandez#463Round of 32 · Lost to Russell Simpson
- 🇺🇸Bill ScanlonRound of 32 · Lost to Lito Alvarez
- 🇺🇸Billy MartinRound of 32 · Lost to Eric Friedler
- 🇦🇺Bob CarmichaelRound of 32 · Lost to Rick Fisher
- 🇲🇽Carlos LopezRound of 32 · Lost to Sashi Menon
- 🇺🇸Christopher SylvanRound of 32 · Lost to Jorge Andrew
- 🇺🇸Dennis GibsonRound of 32 · Lost to Roberto Chavez
- 🇺🇸Dick BohrnstedtRound of 32 · Lost to Raul Ramirez
- 🇲🇽Enrique HaroRound of 32 · Lost to Anand Amritraj
- 🇲🇽Javier OrdazRound of 32 · Lost to George Hardie
- 🇲🇽Luis BaraldiRound of 32 · Lost to John Alexander
- 🇲🇽Octavio MartinezRound of 32 · Lost to Antonio Munoz
- 🇧🇴Ramiro BenavidesRound of 32 · Lost to Vijay Amritraj
- 🇪🇨Ricardo YcazaRound of 32 · Lost to Steve Docherty
- 🇺🇸Van WinitskyRound of 32 · Lost to Fred Mcnair
- 🇺🇸Vincent Van PattenRound of 32 · Lost to Peter Pearson