Pretoria CH 1990
Martin Sinner won the title, beating Wayne Ferreira 6–4 6–4 in the final.
Main draw 32 players
- 1🇺🇸Robbie WeissSemifinals · Lost to Martin Sinner
- 2🇦🇺Neil BorwickRound of 16 · Lost to Wayne Ferreira
- 3🇿🇦Mark KaplanRound of 32 · Lost to Michael Robertson
- 4🇩🇪Alexander MronzQuarterfinals · Lost to Martin Sinner
- 5🇩🇪Christian GeyerSemifinals · Lost to Wayne Ferreira
- 6🇩🇪Martin SinnerFinal · Champion
- 7🇬🇧Neil BroadRound of 16 · Lost to Marty Davis
- 8🇿🇦Dean BothaRound of 32 · Lost to Byron Talbot
- 🇿🇦Wayne FerreiraFinal · Lost to Martin Sinner
- 🇿🇦Byron TalbotQuarterfinals · Lost to Robbie Weiss
- 🇺🇸Marty DavisQuarterfinals · Lost to Wayne Ferreira
- 🇿🇦Royce DeppeQuarterfinals · Lost to Christian Geyer
- 🇿🇦Barry MoirRound of 16 · Lost to Robbie Weiss
- WCZIMKevin UllyettRound of 16 · Lost to Christian Geyer
- 🇿🇦Lan BaleRound of 16 · Lost to Byron Talbot
- 🇮🇱Michael DanielRound of 16 · Lost to Martin Sinner
- 🇺🇸Michael RobertsonRound of 16 · Lost to Royce Deppe
- 🇨🇿Radek ZahrajRound of 16 · Lost to Alexander Mronz
- WC🇿🇦Brendan CurryRound of 32 · Lost to Michael Daniel
- WC🇿🇦Brent HaygarthRound of 32 · Lost to Martin Sinner
- Q🇿🇦David NainkinRound of 32 · Lost to Neil Broad
- Q🇿🇦Dick BosseRound of 32 · Lost to Kevin Ullyett
- 🇿🇦Grant StaffordRound of 32 · Lost to Marty Davis
- 🇺🇸Greg Van EmburghRound of 32 · Lost to Wayne Ferreira
- 🇩🇪Harald RittersbacherRound of 32 · Lost to Lan Bale
- 🇬🇧James TurnerRound of 32 · Lost to Radek Zahraj
- WC🇿🇦Johan De BeerRound of 32 · Lost to Royce Deppe
- Q🇿🇦John Laffnie De JagerRound of 32 · Lost to Neil Borwick
- 🇺🇸Paul KoscielskiRound of 32 · Lost to Alexander Mronz
- 🇿🇦Piet NorvalRound of 32 · Lost to Barry Moir
- Q🇺🇸Tim PawsatRound of 32 · Lost to Christian Geyer
- 🇮🇹Ugo ColombiniRound of 32 · Lost to Robbie Weiss