# 2003 Italian Open – Women's singles

Kim Clijsters defeated Amélie Mauresmo in the final, 3–6, 7–6$^{(7–3)}$, 6–0 to win the women's singles tennis title at the 2003 Italian Open. It was her third title of the season, and the 13th overall in her career.
Serena Williams was the defending champion, but lost in semifinals to Mauresmo.

## Seeds

The first eight seeds received a bye into the second round.
* Serena Williams (semifinals)
* Kim Clijsters (champion)
* Justine Henin-Hardenne (withdrew due to left knee tendinitis)
* Amélie Mauresmo (final)
* Jennifer Capriati (quarterfinals)
* Chanda Rubin (second round)
* Daniela Hantuchová (third round)
* Anastasia Myskina (quarterfinals)
* Jelena Dokic (first round)
* Monica Seles (second round)
* Magdalena Maleeva (second round)
* Eleni Daniilidou (second round)
* Ai Sugiyama (semifinals)
* Amanda Coetzer (second round)
* Meghann Shaughnessy (first round)
* Anna Pistolesi (third round)
* Patty Schnyder (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 | Semifinals | Final | Final | Final | Final | Final |
| 1 | Serena Williams | 7 | 6 | | | | | | | | | | |
| | Conchita Martínez | 5 | 2 | | | | | | | | | | |
| | Conchita Martínez | 5 | 2 | 1 | Serena Williams | 6 | 5 | 3 | | | | | |
| | | | | 4 | Amélie Mauresmo | 1 | 7 | 6 | | | | | |
| 4 | Amélie Mauresmo | 6 | 7$^{12}$ | 4 | Amélie Mauresmo | 1 | 7 | 6 | | | | | |
| 5 | Jennifer Capriati | 3 | 6$^{10}$ | | | | | | | | | | |
| 5 | Jennifer Capriati | 3 | 6$^{10}$ | | | | | | 4 | Amélie Mauresmo | 6 | 6$^3$ | 0 |
| | | | | | | | | | 2 | Kim Clijsters | 3 | 7$^7$ | 6 |
| Q | Tina Pisnik | 1 | 3 | | | | | | | | | | | 2 | Kim Clijsters | 3 | 7$^7$ | 6 |
| 13 | Ai Sugiyama | 6 | 6 | | | | | | | | | | |
| 13 | Ai Sugiyama | 6 | 6 | 13 | Ai Sugiyama | 3 | 2 | | | | | | |
| | | | | 2 | Kim Clijsters | 6 | 6 | | | | | | |
| 8 | Anastasia Myskina | 2 | 2 | 2 | Kim Clijsters | 6 | 6 | | | | | | |
| 2 | Kim Clijsters | 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1 | S Williams | 6 | 6 | | | | | | | | | |
| PR | A Medina Garrigues | 5 | 4 | | Q | K Koukalová | 4 | 3 | | | | | | | | | |
| Q | K Koukalová | 7 | 6 | | | | | | | 1 | S Williams | 6 | 6 | | | | |
| Q | A Harkleroad | 6 | 3 | 2 | | | | | | | N Dechy | 3 | 0 | | | | |
| | N Dechy | 1 | 6 | 6 | | N Dechy | 2 | 7$^7$ | 7$^7$ | | | | | | | | |
| | I Tulyaganova | 6 | 3 | 0 | 14 | A Coetzer | 6 | 6$^4$ | 6$^4$ | | | | | | | | |
| 14 | A Coetzer | 2 | 6 | 6 | | | | | | | | | | 1 | S Williams | 7 | 6 |
| 9 | J Dokic | 4 | 6 | 5 | | | | | | | | | | | C Martínez | 5 | 2 |
| | C Martínez | 6 | 3 | 7 | | C Martínez | 6 | 6 | | | | | | | | | |
| WC | E Gagliardi | 7 | 2 | 7 | WC | E Gagliardi | 4 | 3 | | | | | | | | | |
| Q | J Janković | 5 | 6 | 5 | | | | | | | C Martínez | 6 | 6 | | | | |
| | M Serna | 4 | 6 | 6 | | | | | | 7 | D Hantuchová | 3 | 3 | | | | |
| | E Likhovtseva | 6 | 2 | 0 | | M Serna | 6$^4$ | 6 | 4 | | | | | | | | |
| | | | | | 7 | D Hantuchová | 7$^7$ | 1 | 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 4 | A Mauresmo | 6 | 7$^7$ | | | | | | | | |
| PR | L Krasnoroutskaya | 6 | 6 | | PR | L Krasnoroutskaya | 2 | 6$^5$ | | | | | | | | |
| Q | E Callens | 4 | 4 | | | | | | 4 | A Mauresmo | 6 | 6 | | | | |
| WC | F Pennetta | 6 | 3 | 6 | | | | | 16 | A Pistolesi | 0 | 3 | | | | |
| | C Fernández | 4 | 6 | 0 | WC | F Pennetta | 4 | 6$^4$ | | | | | | | | |
| Q | E Tatarkova | 0 | 4 | | 16 | A Pistolesi | 6 | 7$^7$ | | | | | | | | |
| 16 | A Pistolesi | 6 | 6 | | | | | | | | | | 4 | A Mauresmo | 6 | 7$^{12}$ |
| 10 | M Seles | 4 | 6 | 6 | | | | | | | | | 5 | J Capriati | 3 | 6$^{10}$ |
| | M Casanova | 6 | 2 | 3 | 10 | M Seles | 3 | 1$^r$ | | | | | | | | |
| PR | N Petrova | 6 | 6 | | PR | N Petrova | 6 | 4 | | | | | | | | |
| WC | T Garbin | 4 | 1 | | | | | | PR | N Petrova | 5 | 3 | | | | |
| | A Stevenson | 1 | 1 | | | | | | 5 | J Capriati | 7 | 6 | | | | |
| Q | F Zuluaga | 6 | 6 | | Q | F Zuluaga | 3 | 4 | | | | | | | | |
| | | | | | 5 | J Capriati | 6 | 6 | | | | | | | | |

### 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 | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 6 | C Rubin | 2 | 6 | 3 | | | | | | | | | |
| LL | É Loit | 6 | 7$^7$ | | LL | É Loit | 6 | 1 | 6 | | | | | | | | | |
| | D Chládková | 3 | 6$^1$ | | | | | | | LL | É Loit | 6 | 4 | 1 | | | | |
| Q | Ad Serra Zanetti | 0 | 4 | | | | | | | Q | T Pisnik | 2 | 6 | 6 | | | | |
| Q | T Pisnik | 6 | 6 | | Q | T Pisnik | 4 | 6 | 7 | | | | | | | | | |
| | S Farina Elia | 4 | 4 | | 11 | M Maleeva | 6 | 4 | 5 | | | | | | | | | |
| 11 | M Maleeva | 6 | 6 | | | | | | | | | | | | Q | T Pisnik | 1 | 3 |
| 13 | A Sugiyama | 6 | 6 | | | | | | | | | | | | 13 | A Sugiyama | 6 | 6 |
| | P Suárez | 3 | 2 | | 13 | A Sugiyama | 6 | 2 | 6 | | | | | | | | | |
| | K Srebotnik | 1 | 6 | 5 | Q | D Safina | 0 | 6 | 4 | | | | | | | | | |
| Q | D Safina | 6 | 3 | 7 | | | | | | 13 | A Sugiyama | 6 | 6 | | | | | |
| | B Schett | 6 | 6 | | | | | | | 17 | P Schnyder | 2 | 1 | | | | | |
| WC | An Serra Zanetti | 4 | 0 | | | B Schett | 0 | 2 | | | | | | | | | | |
| | | | | | 17 | P Schnyder | 6 | 6 | | | | | | | | | | |

#### Section 4

| 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 | A Myskina | 6 | 6 | | | | | | | | | |
| | M Matevžič | 6 | 3 | 6 | | M Matevžič | 2 | 3 | | | | | | | | | |
| | F Schiavone | 3 | 6 | 3 | | | | | | 8 | A Myskina | 6 | 7 | | | | |
| | MG Mikaelian | 3 | 2 | | | | | | | | S Kuznetsova | 4 | 5 | | | | |
| | S Kuznetsova | 6 | 6 | | | S Kuznetsova | 6 | 6 | | | | | | | | | |
| Q | S Reeves | 2 | 4 | | 12 | E Daniilidou | 3 | 2 | | | | | | | | | |
| 12 | E Daniilidou | 6 | 6 | | | | | | | | | | | 8 | A Myskina | 2 | 2 |
| 15 | M Shaughnessy | 5 | 3 | | | | | | | | | | | 2 | K Clijsters | 6 | 6 |
| | L Granville | 7 | 6 | | | L Granville | 5 | 6 | 4 | | | | | | | | |
| Q | C Black | 6 | 7 | | Q | C Black | 7 | 1 | 6 | | | | | | | | |
| | R Grande | 3 | 5 | | | | | | | Q | C Black | 0 | 3 | | | | |
| | V Ruano Pascual | 6 | 6 | | | | | | | 2 | K Clijsters | 6 | 6 | | | | |
| Q | M Tu | 4 | 4 | | | V Ruano Pascual | 1 | 0 | | | | | | | | | |
| | | | | | 2 | K Clijsters | 6 | 6 | | | | | | | | | |