# 2003 Priority Telecom Open – Singles

Juan Ignacio Chela was the defending champion but lost in the second round to Rubén Ramírez Hidalgo.
Nicolás Massú won in the final 6–4, 7–6$^{(7–3)}$, 6–2 against Raemon Sluiter.

## Seeds

* Martin Verkerk (first round)
* Gastón Gaudio (first round)
* Juan Ignacio Chela (second round)
* n/a
* Fernando Vicente (first round)
* Raemon Sluiter (final)
* Nicolás Massú (champion)
* Albert Portas (first round)
* Franco Squillari (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 | Semifinals | Final | Final | Final | Final | Final |
| | Albert Montañés | 6$^4$ | 6 | 3 | | | | | |
| 6 | Raemon Sluiter | 7$^7$ | 1 | 6 | | | | | |
| 6 | Raemon Sluiter | 7$^7$ | 1 | 6 | 6 | Raemon Sluiter | 4 | 6$^3$ | 2 |
| | | | | | 7 | Nicolás Massú | 6 | 7$^7$ | 6 |
| 7 | Nicolás Massú | 6 | 4 | | 7 | Nicolás Massú | 6 | 7$^7$ | 6 |
| | Luis Horna | 3 | 0$^r$ | | | | | | |

### Section 1

| 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 | Semifinals |
| 1 | M Verkerk | 6 | 1 | 4 | | | | | | | | | | | | | | | |
| | G Galimberti | 3 | 6 | 6 | | G Galimberti | 4 | 3 | | | | | | | | | | | |
| | A Montañés | 5 | | | | A Montañés | 6 | 6 | | | | | | | | | | | |
| | J Melzer | 1$^r$ | | | | | | | | | A Montañés | 6 | 6 | | | | | | |
| | A Voinea | 6 | 4 | 3 | | | | | | | M Hipfl | 2 | 3 | | | | | | |
| | M Hipfl | 2 | 6 | 6 | | M Hipfl | 6 | 1 | 6 | | | | | | | | | | |
| | J van Lottum | 7$^7$ | 6 | | | J van Lottum | 1 | 6 | 4 | | | | | | | | | | |
| 5 | F Vicente | 6$^3$ | 0 | | | | | | | | | | | | | A Montañés | 6$^4$ | 6 | 3 |
| 3 | J I Chela | 6 | 6 | | | | | | | | | | | | 6 | R Sluiter | 7$^7$ | 1 | 6 |
| | M Puerta | 3 | 1 | | 3 | J I Chela | 1 | 1 | | | | | | | | | | | |
| WC | F Clavet | 4 | 2 | | | R Ramírez Hidalgo | 6 | 6 | | | | | | | | | | | |
| | R Ramírez Hidalgo | 6 | 6 | | | | | | | | R Ramírez Hidalgo | 6$^4$ | 7$^7$ | 2 | | | | | |
| Q | H Armando | 4 | 4 | | | | | | | 6 | R Sluiter | 7$^7$ | 6$^2$ | 6 | | | | | |
| Q | S Wawrinka | 6 | 6 | | Q | S Wawrinka | 1 | 4 | | | | | | | | | | | |
| | A Waske | 4 | 3 | | 6 | R Sluiter | 6 | 6 | | | | | | | | | | | |
| 6 | R Sluiter | 6 | 6 | | | | | | | | | | | | | | | | |

### Section 2

| 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 |
| 7 | N Massú | 4 | 6 | 7$^8$ | | | | | | | | | | | | | | |
| | H Arazi | 6 | 4 | 6$^6$ | 7 | N Massú | 6 | 6 | | | | | | | | | | |
| | A Sá | 6 | 4 | 7$^7$ | | A Sá | 2 | 2 | | | | | | | | | | |
| Q | J Levinský | 2 | 6 | 6$^2$ | | | | | | 7 | N Massú | 6 | 7 | | | | | |
| WC | D van Scheppingen | 7$^7$ | 1 | | | | | | | WC | D van Scheppingen | 2 | 5 | | | | | |
| | I Labadze | 6$^3$ | 0$^r$ | | WC | D van Scheppingen | 4 | 6 | 6 | | | | | | | | | |
| | Ž Krajan | 3 | 0$^r$ | | 9 | F Squillari | 6 | 4 | 4 | | | | | | | | | |
| 9 | F Squillari | 6 | 1 | | | | | | | | | | | | 7 | N Massú | 6 | 4 |
| 8 | A Portas | 3 | 5 | | | | | | | | | | | | | L Horna | 3 | 0$^r$ |
| | L Horna | 6 | 7 | | | L Horna | 6 | 6 | | | | | | | | | | |
| | C Rochus | 6 | 4 | 7 | | C Rochus | 4 | 4 | | | | | | | | | | |
| | K Vliegen | 4 | 6 | 5 | | | | | | | L Horna | 6$^5$ | 6 | 6 | | | | |
| Q | Ó Hernández | 6 | 6 | | | | | | | Q | Ó Hernández | 7$^7$ | 3 | 3 | | | | |
| WC | F Hemmes Jr. | 1 | 1 | | Q | Ó Hernández | 7$^9$ | 1 | 7$^7$ | | | | | | | | | |
| | J-R Lisnard | 6 | 7$^7$ | | | J-R Lisnard | 6$^7$ | 6 | 6$^4$ | | | | | | | | | |
| 2 | G Gaudio | 0 | 6$^5$ | | | | | | | | | | | | | | | |