# 1990 Jello Tennis Classic – Singles

Katerina Maleeva was the defending champion, but lost in the semifinals to Leila Meskhi.
Conchita Martínez won the title by defeating Meskhi 6–4, 6–2 in the final.

## Seeds

* Katerina Maleeva (semifinals)
* Conchita Martínez (champion)
* Barbara Paulus (second round)
* Leila Meskhi (final)
* Raffaella Reggi (quarterfinals)
* Claudia Porwik (quarterfinals)
* Susan Sloane (quarterfinals)
* Patty Fendick (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 |
| 1 | Katerina Maleeva | 2 | 4 | | | | |
| 4 | Leila Meskhi | 6 | 6 | | | | |
| 4 | Leila Meskhi | 6 | 6 | 4 | Leila Meskhi | 4 | 2 |
| | | | | 2 | Conchita Martínez | 6 | 6 |
| | Natalia Medvedeva | 5 | 0 | 2 | Conchita Martínez | 6 | 6 |
| 2 | Conchita Martínez | 7 | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | K Maleeva | 6 | 6 | | | | | | | | | | | | | | | |
| | S Wasserman | 2 | 1 | | 1 | K Maleeva | 6 | 6 | | | | | | | | | | |
| | E Pampoulova | 3 | 7$^7$ | 6 | | E Pampoulova | 1 | 2 | | | | | | | | | | |
| | H Cioffi | 6 | 6$^2$ | 3 | | | | | | 1 | K Maleeva | 6 | 7 | | | | | |
| | P Louie Harper | 6 | 6 | | | | | | | 7 | S Sloane | 3 | 5 | | | | | |
| Q | P Thorén | 4 | 4 | | | P Louie Harper | 4 | 2 | | | | | | | | | | |
| | L Ferrando | 6$^4$ | 1 | | 7 | S Sloane | 6 | 6 | | | | | | | | | | |
| 7 | S Sloane | 7$^7$ | 6 | | | | | | | | | | | | 1 | K Maleeva | 2 | 4 |
| 4 | L Meskhi | 6 | 6 | | | | | | | | | | | | 4 | L Meskhi | 6 | 6 |
| WC | J Reinbold | 1 | 2 | | 4 | L Meskhi | 6 | 6 | | | | | | | | | | |
| Q | S Stafford | 6 | 6 | | Q | S Stafford | 2 | 1 | | | | | | | | | | |
| | L Harvey Wild | 1 | 2 | | | | | | | 4 | L Meskhi | 3 | 7 | 6 | | | | |
| | A Gavaldón | 7 | 6$^4$ | 6 | | | | | | 5 | R Reggi | 6 | 5 | 3 | | | | |
| LL | L Spadea | 5 | 7$^7$ | 2 | | A Gavaldón | 6 | 2 | 5 | | | | | | | | | |
| | C Cunningham | 4 | 2 | | 5 | R Reggi | 3 | 6 | 7 | | | | | | | | | |
| 5 | R Reggi | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | P Fendick | 6 | 6 | | | | | | | | | | | | | | |
| | A Keller | 3 | 1 | | 8 | P Fendick | 3 | 3 | | | | | | | | | |
| | S Martin | 1 | 6 | 4 | | N Medvedeva | 6 | 6 | | | | | | | | | |
| | N Medvedeva | 6 | 1 | 6 | | | | | | | N Medvedeva | 7$^8$ | 6 | | | | |
| | D Faber | 4 | 6$^4$ | | | | | | | | M McGrath | 6$^6$ | 4 | | | | |
| | M McGrath | 6 | 7$^7$ | | | M McGrath | 3 | 7$^8$ | 6 | | | | | | | | |
| Q | E Hakami | 5 | 2 | | 3 | B Paulus | 6 | 6$^6$ | 2 | | | | | | | | |
| 3 | B Paulus | 7 | 6 | | | | | | | | | | | | N Medvedeva | 5 | 0 |
| 6 | C Porwik | 6 | 6 | | | | | | | | | | | 2 | C Martínez | 7 | 6 |
| WC | H Lord | 0 | 4 | | 6 | C Porwik | 6 | 6 | | | | | | | | | |
| Q | E deLone | 2 | 7$^8$ | 2 | | N Provis | 1 | 4 | | | | | | | | | |
| | N Provis | 6 | 6$^6$ | 6 | | | | | | 6 | C Porwik | 2 | 2 | | | | |
| | E Reinach | 6 | 1 | 6 | | | | | | 2 | C Martínez | 6 | 6 | | | | |
| | C Dahlman | 3 | 6 | 1 | | E Reinach | 1 | 7 | 2 | | | | | | | | |
| LL | B Fulco | 1 | 2 | | 2 | C Martínez | 6 | 5 | 6 | | | | | | | | |
| 2 | C Martínez | 6 | 6 | | | | | | | | | | | | | | |