# 2004 Swisscom Challenge – Singles

Alicia Molik defeated Maria Sharapova in the final, 4–6, 6–2, 6–3 to win the singles tennis title at the 2004 Swisscom Challenge.
Justine Henin-Hardenne was the reigning champion, but did not compete this year.

## Seeds

The top four seeds received a bye into the second round.
* Amélie Mauresmo (withdrew due to a left adductor strain)
* Lindsay Davenport (withdrew due to a flu)
* Elena Dementieva (semifinals)
* Maria Sharapova (final)
* Serena Williams (withdrew due to a left knee injury)
* Vera Zvonareva (second round)
* Venus Williams (quarterfinals)
* Nadia Petrova (quarterfinals)
* Ai Sugiyama (quarterfinals)
* Patty Schnyder (semifinals)

## 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 |
| 10 | Patty Schnyder | 6 | 1 | 4 | | | | | |
| | Alicia Molik | 4 | 6 | 6 | | | | | |
| | Alicia Molik | 4 | 6 | 6 | | Alicia Molik | 4 | 6 | 6 |
| | | | | | 4 | Maria Sharapova | 6 | 2 | 3 |
| 4 | Maria Sharapova | 4 | 6 | 6 | 4 | Maria Sharapova | 6 | 2 | 3 |
| 3 | Elena Dementieva | 6 | 2 | 3 | | | | | |

### 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 | Semifinals |
| | | | | | LL | É Loit | 1 | 2$^r$ | | | | | | | | | | | |
| | P Suárez | 6 | 3 | 6 | | P Suárez | 6 | 2 | | | | | | | | | | | |
| LL | J Kostanić | 3 | 6 | 4 | | | | | | | P Suárez | 6 | 3 | 4 | | | | | |
| | M Pierce | 3 | 2 | | | | | | | 10 | P Schnyder | 2 | 6 | 6 | | | | | |
| | F Zuluaga | 6 | 6 | | | F Zuluaga | 4 | 3 | | | | | | | | | | | |
| | M Maleeva | 6 | 1 | 4 | 10 | P Schnyder | 6 | 6 | | | | | | | | | | | |
| 10 | P Schnyder | 1 | 6 | 6 | | | | | | | | | | | 10 | P Schnyder | 6 | 1 | 4 |
| | | | | | | | | | | | | | | | | A Molik | 4 | 6 | 6 |
| | | | | | 6 | V Zvonareva | 3 | 7 | 2 | | | | | | | | | | |
| | A Molik | 6 | 7$^7$ | | | A Molik | 6 | 5 | 6 | | | | | | | | | | |
| | S Farina Elia | 1 | 6$^5$ | | | | | | | | A Molik | 6 | 6 | | | | | | |
| WC | T Bacsinszky | 1 | 4 | | | | | | | 8 | N Petrova | 3 | 1 | | | | | | |
| | N Dechy | 6 | 6 | | | N Dechy | 7$^8$ | 4 | 3 | | | | | | | | | | |
| WC | L Raymond | 4 | 3 | | 8 | N Petrova | 6$^6$ | 6 | 6 | | | | | | | | | | |
| 8 | N Petrova | 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 | Semifinals |
| 7 | V Williams | 6 | 6 | | | | | | | | | | | | | | | | |
| | K Šprem | 2 | 2 | | 7 | V Williams | 7$^{13}$ | 7$^8$ | | | | | | | | | | | |
| Q | A Ivanovic | 7 | 6$^2$ | 7$^7$ | Q | A Ivanovic | 6$^{11}$ | 6$^6$ | | | | | | | | | | | |
| Q | T Golovin | 5 | 7$^7$ | 6$^3$ | | | | | | 7 | V Williams | 3 | 4 | | | | | | |
| WC | V Dushevina | 1 | 4 | | | | | | | 4 | M Sharapova | 6 | 6 | | | | | | |
| | D Hantuchová | 6 | 6 | | | D Hantuchová | 4 | 5 | | | | | | | | | | | |
| | | | | | 4 | M Sharapova | 6 | 7 | | | | | | | | | | | |
| | | | | | | | | | | | | | | | 4 | M Sharapova | 4 | 6 | 6 |
| 9 | A Sugiyama | 6 | 6 | | | | | | | | | | | | 3 | E Dementieva | 6 | 2 | 3 |
| Q | S Asagoe | 2 | 3 | | 9 | A Sugiyama | 7$^7$ | 6 | | | | | | | | | | | |
| LL | F Pennetta | 6 | 6 | | LL | F Pennetta | 6$^1$ | 1 | | | | | | | | | | | |
| Q | MG Mikaelian | 2 | 1 | | | | | | | 9 | A Sugiyama | 1 | 7 | 5 | | | | | |
| | E Bovina | 6 | 7$^7$ | | | | | | | 3 | E Dementieva | 6 | 5 | 7 | | | | | |
| | F Schiavone | 3 | 6$^5$ | | | E Bovina | 5 | 6 | 0 | | | | | | | | | | |
| | | | | | 3 | E Dementieva | 7 | 3 | 6 | | | | | | | | | | |