# 2005 Advanta Championships – Singles

Amélie Mauresmo was the two-time defending champion, and successfully defended her title.

## Seeds

* Lindsay Davenport (withdrew due to flu)
* Maria Sharapova (withdrew due to a right thumb sprain)
* Amélie Mauresmo (champion)
* Elena Dementieva (final)
* Patty Schnyder (withdrew due to left hand contusion)
* Nadia Petrova (semifinals, withdrew due to a right heel contusion)
* Nicole Vaidišová (semifinals)
* Jelena Janković (first round)
* Vera Zvonareva (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 | Final | Final | Final | Final | Final |
| 6 | Nadia Petrova | | | | | | | |
| 4/WC | Elena Dementieva | w/o | | | | | | |
| 4/WC | Elena Dementieva | w/o | | 4/WC | Elena Dementieva | 5 | 6 | 5 |
| | | | | 3 | Amélie Mauresmo | 7 | 2 | 7 |
| 3 | Amélie Mauresmo | 7 | 7 | 3 | Amélie Mauresmo | 7 | 2 | 7 |
| 7 | Nicole Vaidišová | 5 | 5 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals |
| | | | | | LL | A Haynes | 3 | 1 | | | | | | | | |
| | M Suchá | 6 | 5 | 6 | | M Suchá | 6 | 6 | | | | | | | | |
| LL | S Foretz | 1 | 7 | 1 | | | | | | M Suchá | 5 | 6$^5$ | | | | |
| Q | H Šromová | 2 | 1 | | | | | | 6 | N Petrova | 7 | 7 | | | | |
| WC | Y Shvedova | 6 | 6 | | WC | Y Shvedova | 2 | 2 | | | | | | | | |
| Q | T Poutchek | 4 | 2 | | 6 | N Petrova | 6 | 6 | | | | | | | | |
| 6 | N Petrova | 6 | 6 | | | | | | | | | | | 6 | N Petrova | |
| | | | | | | | | | | | | | | 4/WC | E Dementieva | w/o |
| | | | | | 4/WC | E Dementieva | 6 | 6 | | | | | | | | |
| Q | A Bachmann | 6 | 4 | | Q | A Bachmann | 3 | 4 | | | | | | | | |
| | M Díaz Oliva | 0 | 1 | r | | | | | 4/WC | E Dementieva | 4 | 6 | 6 | | | |
| | J Craybas | 1 | 1 | | | | | | | K Peschke | 6 | 0 | 3 | | | |
| | K Peschke | 6 | 6 | | | K Peschke | 6 | 6 | | | | | | | | |
| | S Karatantcheva | 7 | 6 | | | S Karatantcheva | 1 | 0 | | | | | | | | |
| 9 | V Zvonareva | 5 | 3 | | | | | | | | | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | J Janković | 4 | 6 | 5 | | | | | | | | | | | | | |
| | T Panova | 6 | 3 | 7 | | T Panova | 6$^4$ | 3 | | | | | | | | | |
| | M Washington | 6 | 5 | 6 | | M Washington | 7 | 6 | | | | | | | | | |
| | M Shaughnessy | 2 | 7 | 2 | | | | | | | M Washington | 3 | 4 | | | | |
| | I Benešová | 5 | 4 | | | | | | | 3 | A Mauresmo | 6 | 6 | | | | |
| | A Sugiyama | 7 | 6 | | | A Sugiyama | 3 | 4 | | | | | | | | | |
| | | | | | 3 | A Mauresmo | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | 3 | A Mauresmo | 7 | 7 |
| 7 | N Vaidišová | 6 | 6 | | | | | | | | | | | 7 | N Vaidišová | 5 | 5 |
| Q | V Henke | 1 | 1 | | 7 | N Vaidišová | 4 | 6 | 6 | | | | | | | | |
| | K Koukalová | 0 | 7 | 6 | | K Koukalová | 6 | 1 | 4 | | | | | | | | |
| WC | A Rolle | 6 | 6$^5$ | 3 | | | | | | 7 | N Vaidišová | 6 | 6 | | | | |
| | S Stosur | 6$^6$ | 6 | 1 | | | | | | | L Raymond | 4 | 1 | | | | |
| | L Raymond | 7 | 4 | 6 | | L Raymond | 6 | 3 | 6 | | | | | | | | |
| | | | | | LL | S Gehrlein | 1 | 6 | 2 | | | | | | | | |