# 2003 Copa Colsanitas – Singles

Fabiola Zuluaga was the defending champion and successfully defended her title, by defeating Anabel Medina Garrigues 6–3, 6–2 in the final.

## Seeds

The first two seeds received a bye into the second round.
* Paola Suárez (semifinals)
* Katarina Srebotnik (semifinals)
* Cristina Torrens Valero (first round)
* Fabiola Zuluaga (champion)
* Flavia Pennetta (quarterfinals)
* Conchita Martínez Granados (quarterfinals)
* Åsa Svensson (second round)
* Marlene Weingärtner (first 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 | Semifinals | Final | Final | Final | Final |
| 1 | Paola Suárez | 0 | 7 | 3 | | | | |
| 4 | Fabiola Zuluaga | 6 | 5 | 6 | | | | |
| 4 | Fabiola Zuluaga | 6 | 5 | 6 | 4 | Fabiola Zuluaga | 6 | 6 |
| | | | | | | Anabel Medina Garrigues | 3 | 2 |
| | Anabel Medina Garrigues | 7 | 6 | | | Anabel Medina Garrigues | 3 | 2 |
| 2 | Katarina Srebotnik | 5 | 3 | | | | | |

### Top half

| 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 | Semifinals |
| | | | | 1 | P Suárez | 4 | 6 | 6 | | | | | | | | | |
| | N Llagostera Vives | 6 | 6 | | N Llagostera Vives | 6 | 1 | 2 | | | | | | | | | |
| | M Sequera | 3 | 4 | | | | | | 1 | P Suárez | 6 | 6 | | | | | |
| | O Kalyuzhnaya | 6 | 6 | | | | | | 6 | C Martínez Granados | 2 | 4 | | | | | |
| | P García | 2 | 2 | | O Kalyuzhnaya | 6 | 4 | 6$^1$ | | | | | | | | | |
| Q | AL Migliarini de León | 1 | 3 | 6 | C Martínez Granados | 4 | 6 | 7$^7$ | | | | | | | | | |
| 6 | C Martínez Granados | 6 | 6 | | | | | | | | | | 1 | P Suárez | 0 | 7 | 3 |
| 4 | F Zuluaga | 6 | 6 | | | | | | | | | | 4 | F Zuluaga | 6 | 5 | 6 |
| | S Reeves | 1 | 1 | 4 | F Zuluaga | 6 | 6 | | | | | | | | | | |
| | G Dulko | 7 | 6 | | G Dulko | 1 | 4 | | | | | | | | | | |
| WC | L Domínguez Lino | 5 | 2 | | | | | | 4 | F Zuluaga | 6 | 6 | | | | | |
| | K Marosi | 6 | 6 | | | | | | | K Marosi | 1 | 2 | | | | | |
| Q | M Marois | 1 | 4 | | K Marosi | 6 | 6 | | | | | | | | | | |
| | M Díaz Oliva | 4 | 4 | 7 | Å Svensson | 1 | 2 | | | | | | | | | | |
| 7 | Å Svensson | 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 | M Weingärtner | 1 | 6 | 3 | | | | | | | | | | | | | |
| | A Rodionova | 6 | 3 | 6 | | A Rodionova | 3 | 6 | 6$^4$ | | | | | | | | |
| Q | K Bondarenko | 6$^6$ | 3 | | | C Castaño | 6 | 3 | 7$^7$ | | | | | | | | |
| | C Castaño | 7$^8$ | 6 | | | | | | | | C Castaño | 2 | 6$^{10}$ | | | | |
| | A Medina Garrigues | 6 | 6 | | | | | | | | A Medina Garrigues | 6 | 7$^{12}$ | | | | |
| | ME Salerni | 3 | 2 | | | A Medina Garrigues | 5 | 7$^7$ | 6 | | | | | | | | |
| Q | I Abramović | 7 | 2 | 6 | Q | I Abramović | 7 | 6$^3$ | 4 | | | | | | | | |
| 3 | C Torrens Valero | 5 | 6 | 3 | | | | | | | | | | | A Medina Garrigues | 7 | 6 |
| 5 | F Pennetta | 6 | 6 | | | | | | | | | | | 2 | K Srebotnik | 5 | 3 |
| | A Bondarenko | 3 | 1 | | 5 | F Pennetta | 6 | 6 | | | | | | | | | |
| | T Perebiynis | 6 | 6$^2$ | 4 | | A Cargill | 3 | 4 | | | | | | | | | |
| | A Cargill | 3 | 7$^7$ | 6 | | | | | | 5 | F Pennetta | 4 | 5 | | | | |
| WC | R Farah | 6 | 1 | 0 | | | | | | 2 | K Srebotnik | 6 | 7 | | | | |
| | J Kandarr | 3 | 6 | 6 | | J Kandarr | 2 | 7$^7$ | 6$^5$ | | | | | | | | |
| | | | | | 2 | K Srebotnik | 6 | 6$^3$ | 7$^7$ | | | | | | | | |