Birmingham 1973
Sandy Mayer won the title, beating Charlie Owens 6–4 7–6 in the final.
Main draw 16 players
- 1🇺🇸Clark GraebnerSemifinals · Lost to Sandy Mayer
- 2🇩🇪Jurgen FassbenderSemifinals · Lost to Charlie Owens
- 🇺🇸Sandy MayerFinal · Champion
- 🇺🇸Charlie OwensFinal · Lost to Sandy Mayer
- 🇦🇺John CooperQuarterfinals · Lost to Clark Graebner
- 🇨🇦Mike BelkinQuarterfinals · Lost to Jurgen Fassbender
- 🇿🇦Pat CramerQuarterfinals · Lost to Charlie Owens
- 🇺🇸Pat DupreQuarterfinals · Lost to Sandy Mayer
- 🇷🇴Gavorielle MarcuRound of 16 · Lost to Jurgen Fassbender
- 🇦🇹Hans KaryRound of 16 · Lost to Clark Graebner
- 🇷🇴Ion TiriacRound of 16 · Lost to Charlie Owens
- 🇨🇿Jan KukalRound of 16 · Lost to Pat Cramer
- 🇬🇷Nicholas KalogeropoulosRound of 16 · Lost to Sandy Mayer
- 🇭🇺Peter SzokeRound of 16 · Lost to John Cooper
- 🇭🇺Szabolcz BaranyiRound of 16 · Lost to Mike Belkin
- 🇺🇸Zan GuerryRound of 16 · Lost to Pat Dupre