# 1990 Italian Open – Women's singles

Monica Seles defeated Martina Navratilova in the final, 6–1, 6–1 to win the women's singles tennis title at the 1990 Italian Open.
Gabriela Sabatini was the two-time defending champion, but lost in the semifinals to Navratilova.

## Seeds

The first eight seeds received a bye to the second round.
* Martina Navratilova (final)
* Monica Seles (champion)
* Arantxa Sánchez Vicario (third round)
* Gabriela Sabatini (semifinals)
* Manuela Maleeva (quarterfinals)
* Conchita Martínez (quarterfinals)
* Nathalie Tauziat (second round)
* Judith Wiesner (second round)
* Laura Gildemeister (second round)
* Raffaella Reggi (third round)
* Helen Kelesi (semifinals)
* Jennifer Capriati (quarterfinals)
* Catarina Lindqvist (quarterfinals)
* Sandra Cecchini (third round)
* Leila Meskhi (second round)
* Cathy Caverzasio (third 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

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Martina Navratilova | 6 | 6 | | | | | | | | |
| 6 | Conchita Martínez | 2 | 0 | | | | | | | | |
| 6 | Conchita Martínez | 2 | 0 | 1 | Martina Navratilova | 7$^7$ | 7 | | | | |
| | | | | 4 | Gabriela Sabatini | 6$^4$ | 5 | | | | |
| 4 | Gabriela Sabatini | 6 | 7 | 4 | Gabriela Sabatini | 6$^4$ | 5 | | | | |
| 12 | Jennifer Capriati | 2 | 5 | | | | | | | | |
| 12 | Jennifer Capriati | 2 | 5 | | | | | 1 | Martina Navratilova | 1 | 1 |
| | | | | | | | | 2 | Monica Seles | 6 | 6 |
| 13 | Catarina Lindqvist | 4 | 3 | | | | | | | | | 2 | Monica Seles | 6 | 6 |
| 11 | Helen Kelesi | 6 | 6 | | | | | | | | |
| 11 | Helen Kelesi | 6 | 6 | 11 | Helen Kelesi | 1 | 2 | | | | |
| | | | | 2 | Monica Seles | 6 | 6 | | | | |
| 5 | Manuela Maleeva | 0 | 2 | 2 | Monica Seles | 6 | 6 | | | | |
| 2 | Monica Seles | 6 | 6 | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1 | M Navratilova | 6 | 3 | 6 | | | | | | | | | |
| | C Kohde-Kilsch | 2 | 6$^1$ | | | R McQuillan | 2 | 6 | 2 | | | | | | | | | |
| | R McQuillan | 6 | 7$^7$ | | | | | | | 1 | M Navratilova | 6 | 3 | 6 | | | | |
| | S Wasserman | 3 | 2 | | | | | | | 14 | S Cecchini | 4 | 6 | 3 | | | | |
| Q | K Kscwendt | 6 | 6 | | Q | K Kscwendt | 1 | 6 | 3 | | | | | | | | | |
| | B Fulco | 7$^7$ | 0 | 2 | 14 | S Cecchini | 6 | 1 | 6 | | | | | | | | | |
| 14 | S Cecchini | 6$^4$ | 6 | 6 | | | | | | | | | | | 1 | M Navratilova | 6 | 6 |
| 16 | C Caverzasio | 6 | 6 | | | | | | | | | | | | 6 | C Martínez | 2 | 0 |
| Q | M Jaggard | 3 | 1 | | 16 | C Caverzasio | 7 | 6 | | | | | | | | | | |
| LL | K Piccolini | 2 | 2 | | | J Halard | 5 | 2 | | | | | | | | | | |
| | J Halard | 6 | 6 | | | | | | | 16 | C Caverzasio | 2 | 2 | | | | | |
| | D Faber | 6 | 6 | | | | | | | 6 | C Martínez | 6 | 6 | | | | | |
| | L Garrone | 4 | 4 | | | D Faber | 0 | 2 | | | | | | | | | | |
| | | | | | 6 | C Martínez | 6 | 6 | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 4 | G Sabatini | 7$^7$ | 6 | | | | | | | | | |
| | A Grossman | 6 | 6 | | | A Grossman | 6$^3$ | 0 | | | | | | | | | |
| Q | H ter Riet | 4 | 2 | | | | | | 4 | G Sabatini | 6 | 6 | | | | | |
| | A Kanellopoulou | 7 | 4 | 4 | | | | | | R Rajchrtová | 0 | 1 | | | | | |
| | R Rajchrtová | 5 | 6 | 6 | | R Rajchrtová | 6 | 7$^7$ | | | | | | | | | |
| | N Provis | 2 | 5 | | 9 | L Gildemeistar | 4 | 6$^4$ | | | | | | | | | |
| 9 | L Gildemeistar | 6 | 7 | | | | | | | | | | | 4 | G Sabatini | 6 | 7 |
| 12 | J Capriati | 6 | 6 | | | | | | | | | | | 12 | J Capriati | 2 | 5 |
| Q | L Lásková | 0 | 3 | | 12 | J Capriati | 6 | 7$^7$ | | | | | | | | | |
| | J Byrne | 3 | 0 | | | S Sloane | 4 | 6$^5$ | | | | | | | | | |
| | S Sloane | 6 | 6 | | | | | | 12 | J Capriati | 6 | 6$^8$ | 6 | | | | |
| | L Golarsa | 3 | 7 | 4 | | | | | | L Golarsa | 3 | 7$^{10}$ | 2 | | | | |
| | L Ferrando | 6 | 5 | 1$^r$ | | L Golarsa | 6 | 7$^7$ | | | | | | | | | |
| | | | | | 7 | N Tauziat | 3 | 6$^5$ | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 8 | J Wiesner | 7 | 5 | 2 | | | | | | | | |
| | F Romanò | 3 | 4 | | Q | A Vieira | 5 | 7 | 6 | | | | | | | | |
| Q | A Vieira | 6 | 6 | | | | | | | Q | A Vieira | 4 | 2 | | | | |
| | P Tarabini | 6 | 6 | | | | | | | 13 | C Lindqvist | 6 | 6 | | | | |
| | I Demongeot | 1 | 4 | | | P Tarabini | 6 | 3 | 1 | | | | | | | | |
| | N Jagerman | 5 | 7$^9$ | 2 | 13 | C Lindqvist | 4 | 6 | 6 | | | | | | | | |
| 13 | C Lindqvist | 7 | 6$^7$ | 6 | | | | | | | | | | 13 | C Lindqvist | 4 | 3 |
| 11 | H Kelesi | 6 | 6 | | | | | | | | | | | 11 | H Kelesi | 6 | 6 |
| | JA Faull | 4 | 1 | | 11 | H Kelesi | 6 | 6 | | | | | | | | | |
| | L Lapi | 6 | 2 | | | L Lapi | 2 | 0 | | | | | | | | | |
| | A Temesvári | 2 | 1$^r$ | | | | | | | 11 | H Kelesi | 6 | 7 | | | | |
| LL | K Godridge | 3 | 6 | 6 | | | | | | 3 | A Sánchez Vicario | 4 | 5 | | | | |
| Q | S Smith | 6 | 1 | 4 | LL | K Godridge | 1 | 1 | | | | | | | | | |
| | | | | | 3 | A Sánchez Vicario | 6 | 6 | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 5 | Man Maleeva | 6 | 6 | | | | | | | | |
| Q | S La Fratta | 2 | 6 | 6 | Q | S La Fratta | 2 | 2 | | | | | | | | |
| | S Martin | 6 | 2 | 2 | | | | | 5 | Man Maleeva | 6 | 6 | | | | |
| | A Coetzer | 7 | 1 | 7 | | | | | 10 | R Reggi | 3 | 3 | | | | |
| | B Romanò | 5 | 6 | 5 | | A Coetzer | 4 | 1 | | | | | | | | |
| | N Medvedeva | 0 | 3 | | 10 | R Reggi | 6 | 6 | | | | | | | | |
| 10 | R Reggi | 6 | 6 | | | | | | | | | | 5 | Man Maleeva | 0 | 2 |
| 15 | L Meskhi | 6 | 6 | | | | | | | | | | 2 | M Seles | 6 | 6 |
| | E Reinach | 2 | 2 | | 15 | L Meskhi | 4 | 5 | | | | | | | | |
| | P Langrová | 1 | 6$^5$ | | Q | M Paz | 6 | 7 | | | | | | | | |
| Q | M Paz | 6 | 7$^7$ | | | | | | Q | M Paz | 1 | 1 | | | | |
| | L McNeil | 6$^2$ | 2 | | | | | | 2 | M Seles | 6 | 6 | | | | |
| | R Zrubáková | 7$^7$ | 6 | | | R Zrubáková | 4 | 1 | | | | | | | | |
| | | | | | 2 | M Seles | 6 | 6 | | | | | | | | |