Cleveland 1981
Gene Mayer won the title, beating Dave Siegler 6–1 6–4 in the final.
Main draw 32 players
- 1🇺🇸Gene MayerFinal · Champion
- 2🇵🇱Wojtek FibakRound of 32 · Lost to Colin Dibley
- 3🇺🇸Stan SmithRound of 16 · Lost to Dave Siegler
- 4🇮🇹Gianni OcleppoRound of 32 · Lost to Ernie Fernandez
- 5🇺🇸Hank PfisterSemifinals · Lost to Dave Siegler
- 6🇺🇸Erik Van DillenRound of 16 · Lost to Ben Testerman
- 7🇺🇸Craig WittusRound of 16 · Lost to Chris Dunk
- 8🇦🇺Ross CaseRound of 32 · Lost to Rodney Harmon
- 🇺🇸Dave SieglerFinal · Lost to Gene Mayer
- 🇺🇸Rodney HarmonSemifinals · Lost to Gene Mayer
- 🇺🇸Ben TestermanQuarterfinals · Lost to Gene Mayer
- 🇺🇸Chris DunkQuarterfinals · Lost to Dave Siegler
- 🇦🇺Colin DibleyQuarterfinals · Lost to Hank Pfister
- PURErnie FernandezQuarterfinals · Lost to Rodney Harmon
- 🇺🇸Ian HarrisRound of 16 · Lost to Ernie Fernandez
- 🇦🇺John JamesRound of 16 · Lost to Gene Mayer
- 🇺🇸Michael KuresRound of 16 · Lost to Hank Pfister
- 🇳🇬Nduka OdizorRound of 16 · Lost to Colin Dibley
- 🇺🇸Van WinitskyRound of 16 · Lost to Rodney Harmon
- 🇨🇴Alejandro CortesRound of 32 · Lost to Dave Siegler
- 🇺🇸Jai DilouieRound of 32 · Lost to Michael Kures
- 🇺🇸Juan FarrowRound of 32 · Lost to John James
- 🇺🇸Mark VinesRound of 32 · Lost to Chris Dunk
- 🇺🇸Marty DavisRound of 32 · Lost to Erik Van Dillen
- 🇺🇸Matthew McDonald#242Round of 32 · Lost to Van Winitsky
- 🇺🇸Michael GrantRound of 32 · Lost to Nduka Odizor
- 🇺🇸Mike BauerRound of 32 · Lost to Gene Mayer
- 🇺🇸Mike CahillRound of 32 · Lost to Stan Smith
- 🇨🇱Ricardo AcunaRound of 32 · Lost to Craig Wittus
- 🇮🇳Sashi MenonRound of 32 · Lost to Ben Testerman
- 🇺🇸Tom CainRound of 32 · Lost to Ian Harris
- 🇦🇺Wayne PascoeRound of 32 · Lost to Hank Pfister