# 2003 Stella Artois Championships – Singles

Lleyton Hewitt was the three-time defending champion but lost in the quarterfinals to Sébastien Grosjean.
Andy Roddick won in the final 6–3, 6–3 against Grosjean.

## Seeds

The top eight seeds received a bye to the second round.
* Lleyton Hewitt (quarterfinals)
* Andre Agassi (semifinals)
* Andy Roddick (champion)
* Paradorn Srichaphan (second round)
* Sjeng Schalken (third round)
* Sébastien Grosjean (final)
* Tim Henman (semifinals)
* Xavier Malisse (quarterfinals)
* Jarkko Nieminen (second round)
* Jan-Michael Gambill (second round)
* Taylor Dent (quarterfinals)
* Max Mirnyi (second round)
* Mardy Fish (first round)
* Mark Philippoussis (first round)
* Robby Ginepri (first round)
* Wayne Arthurs (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 |
| WC/6 | Sébastien Grosjean | 6 | 6 | | | | | |
| 7 | Tim Henman | 3 | 4 | | | | | |
| 7 | Tim Henman | 3 | 4 | | WC/6 | Sébastien Grosjean | 3 | 3 |
| | | | | | 3 | Andy Roddick | 6 | 6 |
| 3 | Andy Roddick | 6 | 6$^5$ | 7$^8$ | 3 | Andy Roddick | 6 | 6 |
| WC/2 | Andre Agassi | 1 | 7$^7$ | 6$^6$ | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 1 | L Hewitt | 7$^8$ | 3 | 7$^7$ | | | | | | | | | |
| | R Sluiter | 7$^7$ | 6 | | R Sluiter | 6$^6$ | 6 | 6$^5$ | | | | | | | | | |
| | A Voinea | 6$^3$ | 3 | | | | | | 1 | L Hewitt | 7$^7$ | 3 | 6 | | | | |
| Q | G Elseneer | 2 | 6$^1$ | | | | | | | D Norman | 6$^4$ | 6 | 4 | | | | |
| | A Sá | 6 | 7$^7$ | | A Sá | 3 | 6$^7$ | | | | | | | | | | |
| | D Norman | 7$^7$ | 7$^7$ | | D Norman | 6 | 7$^9$ | | | | | | | | | | |
| 13 | M Fish | 6$^5$ | 6$^3$ | | | | | | | | | | | 1 | L Hewitt | 3 | 4 |
| 10 | J-M Gambill | 7$^7$ | 7$^7$ | | | | | | | | | | | WC/6 | S Grosjean | 6 | 6 |
| | T Enqvist | 6$^5$ | 6$^5$ | 10 | J-M Gambill | 1 | 5 | | | | | | | | | | |
| LL | N Mahut | 3 | 5 | Q | T Reid | 6 | 7 | | | | | | | | | | |
| Q | T Reid | 6 | 7 | | | | | | Q | T Reid | 1 | 4 | | | | | |
| | G Carraz | 3 | 5 | | | | | | WC/6 | S Grosjean | 6 | 6 | | | | | |
| | M Kratochvil | 6 | 7 | | M Kratochvil | 3 | 4 | | | | | | | | | | |
| | | | | WC/6 | S Grosjean | 6 | 6 | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 4 | P Srichaphan | 3 | 3 | | | | | | | | | | |
| | J Knowle | 2 | 1 | | | M Ančić | 6 | 6 | | | | | | | | | | |
| | M Ančić | 6 | 6 | | | | | | | | M Ančić | 6$^3$ | 6$^6$ | | | | | |
| WC | A Bogdanovic | 6$^3$ | 6 | 7$^7$ | | | | | | | A Dupuis | 7$^7$ | 7$^8$ | | | | | |
| Q | A Parmar | 7$^7$ | 4 | 6$^2$ | WC | A Bogdanovic | 6 | 6$^6$ | 6$^5$ | | | | | | | | | |
| | A Dupuis | 6 | 7$^{10}$ | | | A Dupuis | 3 | 7$^8$ | 7$^7$ | | | | | | | | | |
| 16 | W Arthurs | 4 | 6$^8$ | | | | | | | | | | | | | A Dupuis | 1 | 4 |
| 12 | M Mirnyi | 6 | 6 | | | | | | | | | | | | 7 | T Henman | 6 | 6 |
| Q | G Bastl | 3 | 4 | | 12 | M Mirnyi | 6$^2$ | 4 | | | | | | | | | | |
| | C Saulnier | 6 | 6 | | | C Saulnier | 7$^7$ | 6 | | | | | | | | | | |
| | S Draper | 4 | 4 | | | | | | | | C Saulnier | 7$^7$ | 3 | 3 | | | | |
| | D Sanguinetti | 7$^7$ | 7$^7$ | | | | | | | 7 | T Henman | 6$^5$ | 6 | 6 | | | | |
| | A Waske | 6$^5$ | 6$^1$ | | | D Sanguinetti | 6 | 3 | 6$^3$ | | | | | | | | | |
| | | | | | 7 | T Henman | 3 | 6 | 7$^7$ | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 5 | S Schalken | w/o | | | | | | | | | | |
| | R Mello | 2 | 1 | | | T Martin | | | | | | | | | | | |
| | T Martin | 6 | 6 | | | | | | 5 | S Schalken | 6$^6$ | 4 | | | | | |
| | C Mamiit | 6 | 4 | 6 | | | | | 11 | T Dent | 7$^8$ | 6 | | | | | |
| | O Mutis | 4 | 6 | 3 | | C Mamiit | 4 | 4 | | | | | | | | | |
| | R Kendrick | 2 | 5 | | 11 | T Dent | 6 | 6 | | | | | | | | | |
| 11 | T Dent | 6 | 7 | | | | | | | | | | | 11 | T Dent | 3 | 6$^3$ |
| 15 | R Ginepri | 6$^5$ | 6 | 0 | | | | | | | | | | 3 | A Roddick | 6 | 7$^7$ |
| | G Rusedski | 7$^7$ | 3 | 6 | | G Rusedski | 6 | 6 | | | | | | | | | |
| | A Stoliarov | 6$^2$ | 6 | 3 | | H Arazi | 4 | 4 | | | | | | | | | |
| | H Arazi | 7$^7$ | 3 | 6 | | | | | | G Rusedski | 3 | 6 | 4 | | | | |
| Q | P Luxa | 3 | 4 | | | | | | 3 | A Roddick | 6 | 4 | 6 | | | | |
| Q | R de Voest | 6 | 6 | | Q | R de Voest | 3 | 2 | | | | | | | | | |
| | | | | | 3 | A Roddick | 6 | 6 | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 8 | X Malisse | 6 | 7$^7$ | | | | | | | | | |
| Q | I Karlović | 7$^7$ | 4 | 7$^7$ | Q | I Karlović | 3 | 6$^3$ | | | | | | | | | |
| | J Gimelstob | 6$^4$ | 6 | 6$^3$ | | | | | | 8 | X Malisse | 7$^7$ | 7 | | | | |
| | J van Lottum | 6$^3$ | 5 | | | | | | | | M Rosset | 6$^4$ | 5 | | | | |
| | M Rosset | 7$^7$ | 7 | | | M Rosset | 7 | 7 | | | | | | | | | |
| | K Beck | 2 | 1 | | 9 | J Nieminen | 5 | 5 | | | | | | | | | |
| 9 | J Nieminen | 6 | 6 | | | | | | | | | | | 8 | X Malisse | 4 | 5 |
| 14 | M Philippoussis | 6$^4$ | 3 | | | | | | | | | | | WC/2 | A Agassi | 6 | 7 |
| WC | R Krajicek | 7$^7$ | 6 | | WC | R Krajicek | 7 | 2 | 6 | | | | | | | | |
| WC | G Ivanišević | 2 | 2 | | | J Vacek | 5 | 6 | 3 | | | | | | | | |
| | J Vacek | 6 | 6 | | | | | | | WC | R Krajicek | 1 | 2 | | | | |
| | V Voltchkov | 3 | 6 | 2 | | | | | | WC/2 | A Agassi | 6 | 6 | | | | |
| | P Luczak | 6 | 4 | 6 | | P Luczak | 6$^5$ | 4 | | | | | | | | | |
| | | | | | WC/2 | A Agassi | 7$^7$ | 6 | | | | | | | | | |