# 2003 Estoril Open – Women's singles

Magüi Serna was the defending champion and successfully defended her title, by defeating qualifier Julia Schruff 6–4, 6–1 in the final.

## Seeds

* Katarina Srebotnik (second round)
* Magüi Serna (champion)
* Virginie Razzano (semifinals)
* Rita Grande (first round, retired)
* Henrieta Nagyová (second round, retired)
* Klára Koukalová (first round)
* Patricia Wartusch (first round)
* Iveta Benešová (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 |
| Q | Julia Schruff | 6 | 6 | | | | |
| | Emmanuelle Gagliardi | 3 | 4 | | | | |
| | Emmanuelle Gagliardi | 3 | 4 | Q | Julia Schruff | 4 | 1 |
| | | | | 2 | Magüi Serna | 6 | 6 |
| 3 | Virginie Razzano | 0 | 1 | 2 | Magüi Serna | 6 | 6 |
| 2 | Magüi Serna | 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 | K Srebotnik | 6 | 6 | | | | | | | | | | | | | | |
| Q | A Parra Santonja | 4 | 4 | | 1 | K Srebotnik | 4 | 6 | 3 | | | | | | | | |
| Q | J Schruff | 7 | 6 | | Q | J Schruff | 6 | 3 | 6 | | | | | | | | |
| Q | ME Salerni | 5 | 1 | | | | | | | Q | J Schruff | 7 | 6 | | | | |
| | Ľ Cervanová | 6 | 6 | | | | | | | | Ľ Cervanová | 5 | 3 | | | | |
| Q | M Ani | 3 | 4 | | | Ľ Cervanová | 6 | 6 | | | | | | | | | |
| | T Poutchek | 3 | 1 | | 8 | I Benešová | 3 | 2 | | | | | | | | | |
| 8 | I Benešová | 6 | 6 | | | | | | | | | | | Q | J Schruff | 6 | 6 |
| 4 | R Grande | 3$^r$ | | | | | | | | | | | | | E Gagliardi | 3 | 4 |
| | E Gagliardi | 6 | | | | E Gagliardi | 6 | 7$^8$ | | | | | | | | | |
| | A Rösch | 7 | 4 | 4 | | J Kostanić | 2 | 6$^6$ | | | | | | | | | |
| | J Kostanić | 5 | 6 | 6 | | | | | | | E Gagliardi | 6 | 7$^7$ | | | | |
| | R de los Ríos | 3 | 6 | 3 | | | | | | | S Talaja | 4 | 6$^4$ | | | | |
| | M Marrero | 6 | 3 | 3$^r$ | | R de los Ríos | 6 | 2 | 1 | | | | | | | | |
| | S Talaja | 6 | 6 | | | S Talaja | 3 | 6 | 6 | | | | | | | | |
| 6 | K Koukalová | 4 | 4 | | | | | | | | | | | | | | |

### 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 |
| 5 | H Nagyová | 6 | 6 | | | | | | | | | | | | | | |
| | C Martínez Granados | 1 | 3 | | 5 | H Nagyová | 1$^r$ | | | | | | | | | | |
| LL | G Dulko | 6 | 6 | | LL | G Dulko | 5 | | | | | | | | | | |
| LL | S Kleinová | 4 | 4 | | | | | | | LL | G Dulko | 6$^4$ | 4 | | | | |
| | A Serra Zanetti | 1 | 7 | 3 | | | | | | 3 | V Razzano | 7$^7$ | 6 | | | | |
| PR | A Medina Garrigues | 6 | 5 | 6 | PR | A Medina Garrigues | 6 | 4 | 4 | | | | | | | | |
| | B Rittner | 6$^5$ | 0 | | 3 | V Razzano | 4 | 6 | 6 | | | | | | | | |
| 3 | V Razzano | 7$^7$ | 6 | | | | | | | | | | | 3 | V Razzano | 0 | 1 |
| 7 | P Wartusch | 7 | 3 | 4 | | | | | | | | | | 2 | M Serna | 6 | 6 |
| | M Sánchez Lorenzo | 5 | 6 | 6 | | M Sánchez Lorenzo | 4 | 6 | 2 | | | | | | | | |
| WC | M Kirilenko | 2 | 3 | | | S Cohen-Aloro | 6 | 2 | 6 | | | | | | | | |
| | S Cohen-Aloro | 6 | 6 | | | | | | | | S Cohen-Aloro | 3 | 2 | | | | |
| | P Mandula | 6 | 6 | | | | | | | 2 | M Serna | 6 | 6 | | | | |
| WC | F Piedade | 1 | 3 | | | P Mandula | 5 | 0 | | | | | | | | | |
| LL | E Tatarkova | 3 | 1 | | 2 | M Serna | 7 | 6 | | | | | | | | | |
| 2 | M Serna | 6 | 6 | | | | | | | | | | | | | | |

## Qualifying
### Qualifying seeds

* Martina Suchá (second round)
* Tzipora Obziler (first round)
* Claudine Schaul (first round)
* Alena Vašková (second round)
* Sandra Kleinová (qualifying competition, lucky loser)
* Jelena Janković (second round)
* Gala León García (first round)
* Melinda Czink (first round)

### Qualifiers

* Arantxa Parra Santonja
* María Emilia Salerni
* Julia Schruff
* Maret Ani

### Lucky losers

* Elena Tatarkova
* Sandra Kleinová
* Gisela Dulko

### Protected ranking

* Anabel Medina Garrigues

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Martina Suchá | 6 | 6 | | | | | | | |
| WC | Magali de Lattre | 1 | 0 | | | | | | | |
| WC | Magali de Lattre | 1 | 0 | 1 | Martina Suchá | 3 | 2 | | | |
| | | | | | Arantxa Parra Santonja | 6 | 6 | | | |
| WC | Adriana Mingireanu | 0 | 0 | | Arantxa Parra Santonja | 6 | 6 | | | |
| | Arantxa Parra Santonja | 6 | 6 | | | | | | | |
| | Arantxa Parra Santonja | 6 | 6 | | | | | Arantxa Parra Santonja | 6 | 6 |
| | | | | | | | | Gisela Dulko | 3 | 4 |
| | Anne Keothavong | 7 | 7 | | | | | | | | Gisela Dulko | 3 | 4 |
| | Yuliana Fedak | 5 | 5 | | | | | | | |
| | Yuliana Fedak | 5 | 5 | | Anne Keothavong | 3 | 1 | | | |
| | | | | | Gisela Dulko | 6 | 6 | | | |
| | Gisela Dulko | 6 | 6 | | Gisela Dulko | 6 | 6 | | | |
| 7 | Gala León García | 4 | 2 | | | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Tzipora Obziler | 3 | 5 | | | | | | | |
| | Kristie Boogert | 6 | 7 | | | | | | | |
| | Kristie Boogert | 6 | 7 | | Kristie Boogert | 2 | 1 | | | |
| | | | | | Elena Tatarkova | 6 | 6 | | | |
| WC | Neuza Silva | 3 | 0 | | Elena Tatarkova | 6 | 6 | | | |
| | Elena Tatarkova | 6 | 6 | | | | | | | |
| | Elena Tatarkova | 6 | 6 | | | | | Elena Tatarkova | 4 | 2 |
| | | | | | | | | María Emilia Salerni | 6 | 6 |
| | Zsófia Gubacsi | 6 | 7$^{14}$ | | | | | | | | María Emilia Salerni | 6 | 6 |
| | Joanna Sakowicz | 4 | 6$^{12}$ | | | | | | | |
| | Joanna Sakowicz | 4 | 6$^{12}$ | | Zsófia Gubacsi | 3 | 3 | | | |
| | | | | | María Emilia Salerni | 6 | 6 | | | |
| | María Emilia Salerni | 2 | 7$^7$ | 6 | María Emilia Salerni | 6 | 6 | | | |
| 8 | Melinda Czink | 6 | 6$^5$ | 3 | | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Claudine Schaul | 6 | 2 | 1 | | | | | | | | | | |
| | Katarina Dašković | 0 | 6 | 6 | | | | | | | | | | |
| | Katarina Dašković | 0 | 6 | 6 | | Katarina Dašković | 2 | 4 | | | | | | |
| | | | | | | Julia Schruff | 6 | 6 | | | | | | |
| | Stephanie Gehrlein | 1 | 1 | | | Julia Schruff | 6 | 6 | | | | | | |
| | Julia Schruff | 6 | 6 | | | | | | | | | | | |
| | Julia Schruff | 6 | 6 | | | | | | | | Julia Schruff | 7$^7$ | 0 | 7 |
| | | | | | | | | | | 5 | Sandra Kleinová | 6$^4$ | 6 | 5 |
| | Lubomira Bacheva | 6 | 6 | | | | | | | | | | | | 5 | Sandra Kleinová | 6$^4$ | 6 | 5 |
| | Natalie Grandin | 2 | 0 | | | | | | | | | | | |
| | Natalie Grandin | 2 | 0 | | | Lubomira Bacheva | 6$^3$ | 6 | 6$^4$ | | | | | |
| | | | | | 5 | Sandra Kleinová | 7$^7$ | 3 | 7$^7$ | | | | | |
| WC | Ana Catarina Nogueira | 2 | 2 | | 5 | Sandra Kleinová | 7$^7$ | 3 | 7$^7$ | | | | | |
| 5 | Sandra Kleinová | 6 | 6 | | | | | | | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Alena Vašková | 7 | 3 | 6 | | | | | | | | |
| | Andreea Vanc | 5 | 6 | 4 | | | | | | | | |
| | Andreea Vanc | 5 | 6 | 4 | 4 | Alena Vašková | 2 | 2 | | | | |
| | | | | | | Adriana Barna | 6 | 6 | | | | |
| | Kelly Liggan | 3 | 1 | | | Adriana Barna | 6 | 6 | | | | |
| | Adriana Barna | 6 | 6 | | | | | | | | | |
| | Adriana Barna | 6 | 6 | | | | | | Adriana Barna | 3 | 6 | 2 |
| | | | | | | | | | Maret Ani | 6 | 3 | 6 |
| | Nuria Llagostera Vives | 6 | 2 | 3 | | | | | | | | | Maret Ani | 6 | 3 | 6 |
| | Maret Ani | 1 | 6 | 6 | | | | | | | | |
| | Maret Ani | 1 | 6 | 6 | | Maret Ani | 6 | 6 | | | | |
| | | | | | 6 | Jelena Janković | 2 | 4 | | | | |
| | Valentina Sassi | 6$^2$ | 5 | | 6 | Jelena Janković | 2 | 4 | | | | |
| 6 | Jelena Janković | 7$^7$ | 7 | | | | | | | | | |