# 1989 South African Open – Singles

Jakob Hlasek was the defending champion but did not compete that year.
Christo van Rensburg won in the final 6–4, 7–6, 6–3 against Paul Chamberlin.

## Seeds

* Jay Berger (second round)
* Kevin Curren (second round)
* Christo van Rensburg (champion)
* Paolo Canè (first round)
* Amos Mansdorf (first round)
* n/a
* Todd Witsken (first round)
* Scott Davis (first round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Final

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| | Paul Chamberlin | 7 | 6 | | | | | |
| LL | Joey Rive | 6 | 3 | | | | | |
| LL | Joey Rive | 6 | 3 | | Paul Chamberlin | 4 | 6 | 3 |
| | | | | 3 | Christo van Rensburg | 6 | 7 | 6 |
| 3 | Christo van Rensburg | 6 | 6 | 3 | Christo van Rensburg | 6 | 7 | 6 |
| | Jeremy Bates | 3 | 4 | | | | | |

### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | J Berger | 7 | 7 | | | | | | | | | | | | | | |
| | M Davis | 6 | 5 | | 1 | J Berger | 6 | 4 | 1 | | | | | | | | |
| Q | M Robertson | 6 | 4 | 6 | Q | M Robertson | 3 | 6 | 6 | | | | | | | | |
| | L Shiras | 0 | 6 | 0 | | | | | | Q | M Robertson | 4 | 5 | | | | |
| | S Youl | 5 | 6 | | | | | | | | P Chamberlin | 6 | 7 | | | | |
| | P Chamberlin | 7 | 7 | | | P Chamberlin | 6 | 6 | | | | | | | | | |
| | K Jones | 4 | 6 | 6 | | S Davis | 3 | 3 | | | | | | | | | |
| 8 | S Davis | 6 | 1 | 4 | | | | | | | | | | | P Chamberlin | 7 | 6 |
| 4 | P Canè | 3 | 0 | r | | | | | | | | | | LL | J Rive | 6 | 3 |
| | R Van't Hof | 6 | 2 | | | R Van't Hof | 4 | 4 | | | | | | | | | |
| | P Johnson | 4 | 3 | | | G Muller | 6 | 6 | | | | | | | | | |
| | G Muller | 6 | 6 | | | | | | | | G Muller | 3 | 3 | | | | |
| WC | R Deppe | 6 | 7 | 6 | | | | | | LL | J Rive | 6 | 6 | | | | |
| | M Anger | 7 | 6 | 4 | WC | R Deppe | 6 | 6 | | | | | | | | | |
| | A Mronz | 6 | 3 | 4 | LL | J Rive | 7 | 7 | | | | | | | | | |
| LL | J Rive | 4 | 6 | 6 | | | | | | | | | | | | | |

### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | A Mansdorf | 3 | 3 | | | | | | | | | | | | | |
| Q | D Pate | 6 | 6 | | Q | D Pate | 6 | 6 | | | | | | | | |
| | P Aldrich | 6 | 2 | | | R Reneberg | 4 | 2 | | | | | | | | |
| | R Reneberg | 7 | 6 | | | | | | Q | D Pate | 6 | 2 | | | | |
| | D Visser | 4 | 7 | 4 | | | | | 3 | C van Rensburg | 7 | 6 | | | | |
| | F Cancellotti | 6 | 6 | 6 | | F Cancellotti | 2 | 0 | | | | | | | | |
| WC | J-L de Jager | 1 | 3 | | 3 | C van Rensburg | 6 | 6 | | | | | | | | |
| 3 | C van Rensburg | 6 | 6 | | | | | | | | | | 3 | C van Rensburg | 6 | 6 |
| 7 | T Witsken | 6 | 6 | | | | | | | | | | | J Bates | 3 | 4 |
| Q | N Broad | 7 | 7 | | | N Broad | 1 | 4 | | | | | | | | |
| | B Drewett | 1 | 6 | | | J Bates | 6 | 6 | | | | | | | | |
| | J Bates | 6 | 7 | | | | | | | J Bates | 6 | 6 | | | | |
| Q | D Botha | 4 | 6 | 7 | | | | | Q | D Botha | 4 | 4 | | | | |
| | J Fitzgerald | 6 | 3 | 5 | Q | D Botha | w/o | | | | | | | | | |
| Q | M Kaplan | 5 | 7 | 6 | 2 | K Curren | | | | | | | | | | |
| 2 | K Curren | 7 | 5 | 7 | | | | | | | | | | | | |