# 1989 CA-TennisTrophy – Singles

Horst Skoff was the defending champion but lost in the second round to Glenn Layendecker.
Paul Annacone won in the final 6–7, 6–4, 6–1, 2–6, 6–3 against Kelly Evernden.

## Seeds

* Jay Berger (quarterfinals)
* Thomas Muster (semifinals)
* Horst Skoff (second round)
* Paolo Canè (second round)
* Goran Prpić (second round)
* Jordi Arrese (first round)
* Anders Järryd (quarterfinals)
* Goran Ivanišević (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 | Semifinals | Final | Final | Final | Final | Final | Final |
| Q | Petr Korda | 1 | 6 | | | | | | | |
| | Paul Annacone | 6 | 7 | | | | | | | |
| | Paul Annacone | 6 | 7 | | Paul Annacone | 6 | 6 | 6 | 2 | 6 |
| | | | | | Kelly Evernden | 7 | 4 | 1 | 6 | 3 |
| | Kelly Evernden | 4 | 6 | 6 | Kelly Evernden | 7 | 4 | 1 | 6 | 3 |
| 2 | Thomas Muster | 6 | 2 | 3 | | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | J Berger | 6 | 3 | 6 | | | | | | | | | | | | | | |
| Q | J Canter | 2 | 6 | 1 | 1 | J Berger | 6 | 6 | | | | | | | | | | |
| | A Cherkasov | 4 | 6 | 6 | Q | C Geyer | 3 | 2 | | | | | | | | | | |
| Q | C Geyer | 6 | 3 | 7 | | | | | | 1 | J Berger | 6 | 6 | 3 | | | | |
| Q | P Korda | 6 | 7 | | | | | | | Q | P Korda | 3 | 7 | 6 | | | | |
| | M Šrejber | 4 | 6 | | Q | P Korda | 6 | 5 | 6 | | | | | | | | | |
| | M Schapers | 6 | 7 | | | M Schapers | 4 | 7 | 4 | | | | | | | | | |
| 8 | G Ivanišević | 3 | 6 | | | | | | | | | | | | Q | P Korda | 1 | 6 |
| 3 | H Skoff | 7 | 6 | | | | | | | | | | | | | P Annacone | 6 | 7 |
| Q | J Navrátil | 5 | 4 | | 3 | H Skoff | 2 | 4 | | | | | | | | | | |
| WC | M Oberleitner | 3 | 6 | | | G Layendecker | 6 | 6 | | | | | | | | | | |
| | G Layendecker | 6 | 7 | | | | | | | | G Layendecker | 3 | 6 | | | | | |
| | J Gunnarsson | 2 | 6 | 6 | | | | | | | P Annacone | 6 | 7 | | | | | |
| | A Antonitsch | 6 | 3 | 4 | | J Gunnarsson | 1 | 5 | | | | | | | | | | |
| | P Annacone | 6 | 6 | | | P Annacone | 6 | 7 | | | | | | | | | | |
| 6 | J Arrese | 4 | 2 | | | | | | | | | | | | | | | |

### Section 2

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | G Prpić | 6 | 6 | | | | | | | | | | | | | | | |
| | B Orešar | 3 | 4 | 5 | G Prpić | 6 | 7 | 3 | | | | | | | | | | |
| | A Volkov | 7 | 6 | | A Volkov | 7 | 5 | 6 | | | | | | | | | | |
| | M Stich | 5 | 2 | | | | | | | A Volkov | 5 | 6 | 5 | | | | | |
| | K Evernden | 6 | 6 | | | | | | | K Evernden | 7 | 4 | 7 | | | | | |
| | N Pereira | 4 | 1 | | K Evernden | 6 | 6 | | | | | | | | | | | |
| | D Nargiso | 3 | 4 | 4 | P Canè | 4 | 3 | | | | | | | | | | | |
| 4 | P Canè | 6 | 6 | | | | | | | | | | | | K Evernden | 4 | 6 | 6 |
| 7 | A Järryd | 7 | 6 | | | | | | | | | | | 2 | T Muster | 6 | 2 | 3 |
| | C Bergström | 5 | 1 | 7 | A Järryd | 2 | 6 | 6 | | | | | | | | | | |
| | O Camporese | 4 | 4 | | M Vajda | 6 | 0 | 3 | | | | | | | | | | |
| | M Vajda | 6 | 6 | | | | | | 7 | A Järryd | 4 | 4 | | | | | | |
| LL | R Osterthun | 4 | 2 | | | | | | 2 | T Muster | 6 | 6 | | | | | | |
| WC | T Buchmayer | 6 | 6 | WC | T Buchmayer | 4 | 2 | | | | | | | | | | | |
| WC | M Bauer | 4 | 2 | 2 | T Muster | 6 | 6 | | | | | | | | | | | |
| 2 | T Muster | 6 | 6 | | | | | | | | | | | | | | | |