# 2003 Grand Prix Hassan II – Singles

Younes El Aynaoui was the defending champion but lost in the final 6–2, 2–6, 6–1 against Julien Boutter.

## Seeds

* Younes El Aynaoui (final)
* Paul-Henri Mathieu (first round)
* Arnaud Clément (first round)
* Dominik Hrbatý (semifinals)
* Olivier Rochus (first round)
* Fernando Vicente (first round)
* Sargis Sargsian (no show)
* André Sá (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 | Final |
| 1 | Younes El Aynaoui | 6 | 3 | 6 | | | | | |
| | Hicham Arazi | 2 | 6 | 3 | | | | | |
| | Hicham Arazi | 2 | 6 | 3 | 1 | Younes El Aynaoui | 2 | 6 | 1 |
| | | | | | | Julien Boutter | 6 | 2 | 6 |
| 4 | Dominik Hrbatý | 3 | 4 | | | Julien Boutter | 6 | 2 | 6 |
| | Julien Boutter | 6 | 6 | | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarter-finals | Quarter-finals | Quarter-finals | Quarter-finals | Quarter-finals | Semi-finals | Semi-finals | Semi-finals | Semi-finals | Semi-finals |
| 1 | Y El Aynaoui | 3 | 6 | 6 | | | | | | | | | | | | | | | |
| | A Montañés | 6 | 3 | 2 | 1 | Y El Aynaoui | 6 | 3 | 6 | | | | | | | | | | |
| | J Vaněk | 4 | 6 | 5 | | M Norman | 4 | 6 | 3 | | | | | | | | | | |
| | M Norman | 6 | 4 | 7 | | | | | | 1 | Y El Aynaoui | 4 | 6 | 7 | | | | | |
| | Ž Krajan | 7$^7$ | 6 | | | | | | | | N Massú | 6 | 3 | 5 | | | | | |
| | A Portas | 6$^4$ | 4 | | | Ž Krajan | 6 | 1 | 4 | | | | | | | | | | |
| | N Massú | 0 | 6 | 7$^7$ | | N Massú | 2 | 6 | 6 | | | | | | | | | | |
| 6 | F Vicente | 6 | 3 | 6$^5$ | | | | | | | | | | | 1 | Y El Aynaoui | 6 | 3 | 6 |
| 3 | A Clément | 4 | 7 | 2 | | | | | | | | | | | | H Arazi | 2 | 6 | 3 |
| | F Meligeni | 6 | 5 | 6 | | F Meligeni | 3 | 0 | | | | | | | | | | | |
| WC | M Tahiri | 1 | 6$^{12}$ | | | H Arazi | 6 | 6 | | | | | | | | | | | |
| | H Arazi | 6 | 7$^{14}$ | | | | | | | | H Arazi | 3 | 7$^{11}$ | 6 | | | | | |
| | O Mutis | 6 | 5 | 6 | | | | | | | O Mutis | 6 | 6$^9$ | 4 | | | | | |
| Q | D van Scheppingen | 4 | 7 | 3 | | O Mutis | 6 | 6 | | | | | | | | | | | |
| Q | É Prodon | 7$^7$ | 6 | | Q | É Prodon | 3 | 3 | | | | | | | | | | | |
| LL | R Ramírez Hidalgo | 6$^5$ | 2 | | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarter-finals | Quarter-finals | Quarter-finals | Quarter-finals | Quarter-finals | Semi-finals | Semi-finals | Semi-finals | Semi-finals |
| 5 | O Rochus | 6$^4$ | 3 | | | | | | | | | | | | | | | |
| Q | F Browne | 7$^7$ | 6 | | Q | F Browne | 1 | 7 | 6 | | | | | | | | | |
| | F Squillari | 6 | 6 | | | F Squillari | 6 | 5 | 4 | | | | | | | | | |
| WC | T Ouahabi | 1 | 3 | | | | | | | Q | F Browne | 7$^7$ | 3 | 0 | | | | |
| | A Sávolt | 2 | 6 | 7$^7$ | | | | | | 4 | D Hrbatý | 6$^5$ | 6 | 6 | | | | |
| Q | Ó Hernández | 6 | 3 | 6$^5$ | | A Sávolt | 3 | 2 | | | | | | | | | | |
| WC | M El Aarej | 3 | 6$^5$ | | 4 | D Hrbatý | 6 | 6 | | | | | | | | | | |
| 4 | D Hrbatý | 6 | 7$^7$ | | | | | | | | | | | | 4 | D Hrbatý | 3 | 4 |
| 8 | A Sá | 4 | 0 | | | | | | | | | | | | | J Boutter | 6 | 6 |
| | L Horna | 6 | 6 | | | L Horna | 7$^7$ | 3 | 4 | | | | | | | | | |
| | D Sanguinetti | 5 | 6$^0$ | | | J Boutter | 6$^4$ | 6 | 6 | | | | | | | | | |
| | J Boutter | 7 | 7$^7$ | | | | | | | | J Boutter | 7 | 7$^7$ | | | | | |
| | A Dupuis | 4 | 1 | | | | | | | | F Saretta | 5 | 6$^5$ | | | | | |
| | F Saretta | 6 | 6 | | | F Saretta | 7 | 6 | | | | | | | | | | |
| | J-R Lisnard | 6 | 6 | | | J-R Lisnard | 5 | 4 | | | | | | | | | | |
| 2 | P-H Mathieu | 2 | 4 | | | | | | | | | | | | | | | |