Nairobi CH 1983
Michiel Schapers won the title, beating John Austin 6–3 6–4 in the final.
Main draw 32 players
- 1🇮🇳Sashi MenonRound of 32 · Lost to Francesco Cancellotti
- 2🇦🇹Peter FeiglRound of 32 · Lost to John Austin
- 3ZIMHaroon IsmailRound of 32 · Lost to Morten Ronneberg
- 4🇦🇹Bernhard PilsQuarterfinals · Lost to Gerald Mild
- 6🇩🇪Harald TheissenRound of 32 · Lost to Hans Peter Kandler
- 7🇺🇸Rick FagelRound of 32 · Lost to Tarik Benhabiles
- 🇳🇱Michiel SchapersFinal · Champion
- 🇺🇸John AustinFinal · Lost to Michiel Schapers
- 🇦🇹Gerald MildSemifinals · Lost to John Austin
- 🇦🇹Hans Peter KandlerSemifinals · Lost to Michiel Schapers
- 🇵🇪Fernando MaynettoQuarterfinals · Lost to John Austin
- Q🇲🇽Juan HernandezQuarterfinals · Lost to Michiel Schapers
- Q🇺🇸Phil LehnhoffQuarterfinals · Lost to Hans Peter Kandler
- 🇮🇹Francesco CancellottiRound of 16 · Lost to Phil Lehnhoff
- 🇧🇪Jacques GrandjeanRound of 16 · Lost to Juan Hernandez
- 🇨🇦John PickenRound of 16 · Lost to Gerald Mild
- 🇺🇸Larry StefankiRound of 16 · Lost to John Austin
- Q🇳🇴Morten RonnebergRound of 16 · Lost to Michiel Schapers
- 🇫🇷Patrice KuchnaRound of 16 · Lost to Bernhard Pils
- 🇺🇸Randy DruzRound of 16 · Lost to Hans Peter Kandler
- 🇫🇷Tarik BenhabilesRound of 16 · Lost to Fernando Maynetto
- 🇳🇱Eric WilbortsRound of 32 · Lost to Bernhard Pils
- 🇫🇷Frank HamonetRound of 32 · Lost to Randy Druz
- 🇦🇹Helmar StieglerRound of 32 · Lost to Patrice Kuchna
- 🇳🇱Huub Van BoeckelRound of 32 · Lost to John Picken
- 🇰🇪James IlakoRound of 32 · Lost to Juan Hernandez
- 🇺🇸Jonathan CanterRound of 32 · Lost to Phil Lehnhoff
- 🇺🇸Kevin ManningRound of 32 · Lost to Jacques Grandjean
- 🇺🇸Maurice HunterRound of 32 · Lost to Fernando Maynetto
- 🇰🇪Phillip IlakoRound of 32 · Lost to Larry Stefanki
- 🇦🇺Syd BallRound of 32 · Lost to Michiel Schapers
- 🇦🇷Thomas StalhandskeRound of 32 · Lost to Gerald Mild