# 2003 Open de Moselle – Singles

Arnaud Clément won in the final 6–3, 1–6, 6–3 against Fernando González.

## Seeds

* Tommy Robredo (quarterfinals)
* Younes El Aynaoui (first round)
* Fernando González (final)
* Arnaud Clément (champion)
* Fabrice Santoro (semifinals)
* Dominik Hrbatý (first round)
* Antony Dupuis (first round)
* Hicham Arazi (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 | Final |
| | Andrei Pavel | 3 | 4 | | | | | |
| 3 | Fernando González | 6 | 6 | | | | | |
| 3 | Fernando González | 6 | 6 | 3 | Fernando González | 3 | 6 | 3 |
| | | | | 4 | Arnaud Clément | 6 | 1 | 6 |
| 4 | Arnaud Clément | 6 | 6 | 4 | Arnaud Clément | 6 | 1 | 6 |
| 5 | Fabrice Santoro | 2 | 1 | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | T Robredo | 6 | 7$^7$ | | | | | | | | | | | | | | | |
| | J Melzer | 2 | 6$^5$ | | 1 | T Robredo | 6 | 6 | | | | | | | | | | |
| Q | C Caratti | 3 | 7 | 4 | | J-R Lisnard | 2 | 2 | | | | | | | | | | |
| | J-R Lisnard | 6 | 5 | 6 | | | | | | 1 | T Robredo | 6$^3$ | 6 | 1 | | | | |
| Q | P Šnobel | 4 | 1 | | | | | | | | A Pavel | 7$^7$ | 4 | 6 | | | | |
| | V Hănescu | 6 | 6 | | | V Hănescu | 4 | 6 | 3 | | | | | | | | | |
| | A Pavel | 4 | 6 | 7$^7$ | | A Pavel | 6 | 3 | 6 | | | | | | | | | |
| 6 | D Hrbatý | 6 | 4 | 6$^3$ | | | | | | | | | | | | A Pavel | 3 | 4 |
| 3 | F González | 6 | 6 | | | | | | | | | | | | 3 | F González | 6 | 6 |
| | C Rochus | 4 | 4 | | 3 | F González | 6 | 6$^6$ | 7$^7$ | | | | | | | | | |
| | T Behrend | 7 | 6 | | | T Behrend | 2 | 7$^8$ | 6$^5$ | | | | | | | | | |
| | M Puerta | 5 | 4 | | | | | | | 3 | F González | 7 | 6 | | | | | |
| | K Beck | 1 | 2 | | | | | | | | D Ferrer | 5 | 2 | | | | | |
| | D Ferrer | 6 | 6 | | | D Ferrer | 6 | 5 | 6 | | | | | | | | | |
| | R Ramírez Hidalgo | 3 | 0 | | 8 | H Arazi | 4 | 7 | 0 | | | | | | | | | |
| 8 | H Arazi | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | A Dupuis | 6$^1$ | 4 | | | | | | | | | | | | | | | |
| Q | P Petzschner | 7$^7$ | 6 | | Q | P Petzschner | 6 | 7$^7$ | | | | | | | | | | |
| Q | T Ascione | 6 | 6 | | Q | T Ascione | 4 | 6$^4$ | | | | | | | | | | |
| | V Voltchkov | 2 | 4 | | | | | | | Q | P Petzschner | 2 | 0$^r$ | | | | | |
| WC | T Enqvist | 5 | 3 | | | | | | | 4 | A Clément | 6 | 3 | | | | | |
| | D Sanguinetti | 7 | 6 | | | D Sanguinetti | 5 | 5 | | | | | | | | | | |
| WC | M Llodra | 5 | 1 | | 4 | A Clément | 7 | 7 | | | | | | | | | | |
| 4 | A Clément | 7 | 6 | | | | | | | | | | | | 4 | A Clément | 6 | 6 |
| 5 | F Santoro | 6 | 6 | | | | | | | | | | | | 5 | F Santoro | 2 | 1 |
| SE | D Veronelli | 3 | 0 | | 5 | F Santoro | 7$^7$ | 6 | | | | | | | | | | |
| WC | R Gasquet | 6 | 4 | 5 | | O Mutis | 6$^4$ | 4 | | | | | | | | | | |
| | O Mutis | 4 | 6 | 7 | | | | | | 5 | F Santoro | 2 | 6 | 6 | | | | |
| | F Vicente | 3 | 1 | | | | | | | | A Popp | 6 | 3 | 4 | | | | |
| | A Popp | 6 | 6 | | | A Popp | 7$^7$ | 5 | 6 | | | | | | | | | |
| | N Mahut | 7$^7$ | 4 | 7$^7$ | | N Mahut | 6$^2$ | 7 | 4 | | | | | | | | | |
| 2 | Y El Aynaoui | 6$^4$ | 6 | 6$^2$ | | | | | | | | | | | | | | |