# 2003 CA-TennisTrophy – Singles

Roger Federer was the defending champion and won in the final 6–3, 6–3, 6–3 against Carlos Moyá.

## Seeds

* Roger Federer (champion)
* Carlos Moyá (final)
* Jiří Novák (first round)
* Sjeng Schalken (second round)
* Agustín Calleri (second round, withdrew because of the flu)
* Tommy Robredo (first round)
* Nicolás Massú (first round)
* Albert Costa (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

### Final

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1 | Roger Federer | 6 | 7$^7$ | | | | | |
| | Max Mirnyi | 2 | 6$^2$ | | | | | |
| | Max Mirnyi | 2 | 6$^2$ | 1 | Roger Federer | 6 | 6 | 6 |
| | | | | 2 | Carlos Moyá | 3 | 3 | 3 |
| | Tim Henman | 6$^1$ | 5 | 2 | Carlos Moyá | 3 | 3 | 3 |
| 2 | Carlos Moyá | 7$^7$ | 7 | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | R Federer | 6 | 6 | | | | | | | | | | | | | | |
| | D Ferrer | 2 | 2 | | 1 | R Federer | 6 | 4 | 6 | | | | | | | | |
| | J Blake | 6 | 3 | 6$^6$ | Q | K Beck | 3 | 6 | 4 | | | | | | | | |
| Q | K Beck | 3 | 6 | 7$^8$ | | | | | | 1 | R Federer | 6 | 6 | | | | |
| | J Nieminen | 7$^7$ | 6 | | | | | | | | J Nieminen | 3 | 3 | | | | |
| | K Kučera | 6$^4$ | 0 | | | J Nieminen | 6 | 6$^{10}$ | 6 | | | | | | | | |
| | J I Chela | 7 | 7$^7$ | | | J I Chela | 2 | 7$^{12}$ | 3 | | | | | | | | |
| 7 | N Massú | 5 | 6$^4$ | | | | | | | | | | | 1 | R Federer | 6 | 7$^7$ |
| 3 | J Novák | 4 | 6$^3$ | | | | | | | | | | | | M Mirnyi | 2 | 6$^2$ |
| | F López | 6 | 7$^7$ | | | F López | 6 | 6 | | | | | | | | | |
| WC | S Koubek | 6 | 4 | 7$^7$ | WC | S Koubek | 2 | 2 | | | | | | | | | |
| | N Davydenko | 2 | 6 | 6$^3$ | | | | | | | F López | 6$^5$ | 4 | | | | |
| | J-M Gambill | 4 | 2 | | | | | | | | M Mirnyi | 7$^7$ | 6 | | | | |
| | M Mirnyi | 6 | 6 | | | M Mirnyi | w/o | | | | | | | | | | |
| | M Zabaleta | 4 | 2 | | 5 | A Calleri | | | | | | | | | | | |
| 5 | A Calleri | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | A Costa | 6 | 6 | | | | | | | | | | | | | | |
| | S Sargsian | 4 | 4 | | 8 | A Costa | 3 | 4 | | | | | | | | | |
| | F Volandri | 1 | 4 | | | J Björkman | 6 | 6 | | | | | | | | | |
| | J Björkman | 6 | 6 | | | | | | | | J Björkman | 1 | 4 | | | | |
| | T Henman | 6 | 6 | | | | | | | | T Henman | 6 | 6 | | | | |
| Q | S Pescosolido | 2 | 3 | | | T Henman | 6 | 2 | 6 | | | | | | | | |
| Q | A Waske | 6 | 1 | 2 | 4 | S Schalken | 2 | 6 | 2 | | | | | | | | |
| 4 | S Schalken | 4 | 6 | 6 | | | | | | | | | | | T Henman | 6$^1$ | 5 |
| 6 | T Robredo | 2 | 7$^7$ | 6$^3$ | | | | | | | | | | 2 | C Moyá | 7$^7$ | 7 |
| WC | J Melzer | 6 | 6$^4$ | 7$^7$ | WC | J Melzer | 3 | 4 | | | | | | | | | |
| | N Kiefer | 7 | 7 | | | N Kiefer | 6 | 6 | | | | | | | | | |
| WC | A Peya | 5 | 5 | | | | | | | | N Kiefer | 4 | 6$^5$ | | | | |
| Q | D Sanguinetti | 7$^7$ | 4 | 0$^r$ | | | | | | 2 | C Moyá | 6 | 7$^7$ | | | | |
| | V Spadea | 6$^4$ | 6 | 1 | | V Spadea | 2 | 1 | | | | | | | | | |
| | F González | 4 | 7$^8$ | 1 | 2 | C Moyá | 6 | 6 | | | | | | | | | |
| 2 | C Moyá | 6 | 6$^6$ | 6 | | | | | | | | | | | | | |