# 1990 Fernleaf International Classic – Singles

Conchita Martínez was the defending champion, but did not compete this year.
Wiltrud Probst won the title by defeating Leila Meskhi 1–6, 6–4, 6–0 in the final.

## Seeds

* Belinda Cordwell (first round)
* Leila Meskhi (final)
* Donna Faber (second round)
* Natalia Medvedeva (second round)
* Sandra Wasserman (quarterfinals)
* Wiltrud Probst (champion)
* (n/a)
* Louise Field (second 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

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 6 | Wiltrud Probst | 6 | 6 | | | | | |
| | Sabine Appelmans | 4 | 2 | | | | | |
| | Sabine Appelmans | 4 | 2 | 6 | Wiltrud Probst | 1 | 6 | 6 |
| | | | | 2 | Leila Meskhi | 6 | 4 | 0 |
| | Claudine Toleafoa | 4 | 4 | 2 | Leila Meskhi | 6 | 4 | 0 |
| 2 | Leila Meskhi | 6 | 6 | | | | | |

### Top half

| 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 | B Cordwell | 6 | 1 | 2 | | | | | | | | | | | | | |
| | J Richardson | 4 | 6 | 6 | | J Richardson | 6 | 3 | | | | | | | | | |
| | Y Koizumi | 6 | 2 | | | E Zardo | 7 | 6 | | | | | | | | | |
| | E Zardo | 7 | 6 | | | | | | | | E Zardo | 5 | 3 | | | | |
| | E Krapl | 2 | 4 | | | | | | | 6 | W Probst | 7 | 6 | | | | |
| | A Strnadová | 6 | 6 | | | A Strnadová | 7 | 1 | 0 | | | | | | | | |
| | C Bartos | 0 | 4 | | 6 | W Probst | 5 | 6 | 6 | | | | | | | | |
| 6 | W Probst | 6 | 6 | | | | | | | | | | | 6 | W Probst | 6 | 6 |
| 4 | N Medvedeva | 6 | 6 | | | | | | | | | | | | S Appelmans | 4 | 2 |
| | M Drake | 1 | 1 | | 4 | N Medvedeva | 0 | 0 | | | | | | | | | |
| | S Appelmans | 6 | 6 | | | S Appelmans | 6 | 6 | | | | | | | | | |
| | C Bakkum | 2 | 0 | | | | | | | | S Appelmans | 6 | 7 | | | | |
| | R Stubbs | 2 | 2 | | | | | | | Q | M Maleeva | 1 | 5 | | | | |
| Q | M Maleeva | 6 | 6 | | Q | M Maleeva | 7 | 3 | 6 | | | | | | | | |
| Q | T Morton | 6 | 4 | 1 | 8 | L Field | 5 | 6 | 1 | | | | | | | | |
| 8 | L Field | 2 | 6 | 6 | | | | | | | | | | | | | |

### Bottom half

| 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 |
| 5 | S Wasserman | 6 | 6 | | | | | | | | | | | | | | | |
| | K Godridge | 4 | 1 | | 5 | S Wasserman | 7 | 6 | | | | | | | | | | |
| | S Frankl | 6 | 6 | | | S Frankl | 5 | 1 | | | | | | | | | | |
| | P Thorén | 2 | 4 | | | | | | | 5 | S Wasserman | 7 | 2 | 1 | | | | |
| Q | EM Schürhoff | 3 | 6 | 6 | | | | | | | C Toleafoa | 6 | 6 | 6 | | | | |
| | C Toleafoa | 6 | 1 | 7 | | C Toleafoa | 7 | 6 | | | | | | | | | | |
| | L O'Neill | 3 | 6 | 1 | 3 | D Faber | 5 | 2 | | | | | | | | | | |
| 3 | D Faber | 6 | 3 | 6 | | | | | | | | | | | | C Toleafoa | 4 | 4 |
| | M Jaggard | 5 | 2 | | | | | | | | | | | | 2 | L Meskhi | 6 | 6 |
| | C Wood | 7 | 6 | | | C Wood | 4 | 6 | 4 | | | | | | | | | |
| | B Reinstadler | 6 | 6 | | | B Reinstadler | 6 | 4 | 6 | | | | | | | | | |
| LL | S Schilder | 2 | 3 | | | | | | | | B Reinstadler | 4 | 0 | | | | | |
| | A Huber | 6 | 0 | 6 | | | | | | 2 | L Meskhi | 6 | 6 | | | | | |
| Q | S Loosemore | 4 | 6 | 2 | | A Huber | 5 | 2 | | | | | | | | | | |
| LL | Y Segal | 0 | 2 | | 2 | L Meskhi | 7 | 6 | | | | | | | | | | |
| 2 | L Meskhi | 6 | 6 | | | | | | | | | | | | | | | |