# 2005 PTT Bangkok Open – Singles

This was the first edition of the tournament.
Nicole Vaidišová won in the final, beating Nadia Petrova, 6–1, 6–7$^{(5–7)}$, 7–5.

## Seeds

* Nadia Petrova (final)
* Nicole Vaidišová (champion)
* Gisela Dulko (semifinals)
* Shinobu Asagoe (first round)
* Sania Mirza (second round, retired due to a lower-back strain)
* Conchita Martínez (quarterfinals)
* Marion Bartoli (withdrew due to a wrist injury)
* Shahar Pe'er (quarterfinals)

## 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 | Nadia Petrova | 3 | 6 | 6 | | | | | |
| | Antonella Serra Zanetti | 6 | 2 | 4 | | | | | |
| | Antonella Serra Zanetti | 6 | 2 | 4 | 1 | Nadia Petrova | 1 | 7$^7$ | 5 |
| | | | | | 2 | Nicole Vaidišová | 6 | 6$^5$ | 7 |
| 3 | Gisela Dulko | 6 | 0 | 6$^3$ | 2 | Nicole Vaidišová | 6 | 6$^5$ | 7 |
| 2 | Nicole Vaidišová | 3 | 6 | 7$^7$ | | | | | |

### 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 |
| 1 | N Petrova | 6 | 6 | | | | | | | | | | | | | | | | |
| | N Llagostera Vives | 1 | 2 | | 1 | N Petrova | 6 | 6 | | | | | | | | | | | |
| | M Washington | 2 | 3 | | Q | S Obata | 3 | 2 | | | | | | | | | | | |
| Q | S Obata | 6 | 6 | | | | | | | 1 | N Petrova | 6 | 6 | | | | | | |
| | Y-j Cho | 4 | 1 | | | | | | | Q | S Foretz | 4 | 0 | | | | | | |
| | M Suchá | 6 | 6 | | | M Suchá | 6$^7$ | 3 | | | | | | | | | | | |
| Q | S Foretz | 6 | 6 | | Q | S Foretz | 7$^9$ | 6 | | | | | | | | | | | |
| LL | M Müller | 2 | 0 | | | | | | | | | | | | 1 | N Petrova | 3 | 6 | 6 |
| 4 | S Asagoe | 6$^2$ | 4 | | | | | | | | | | | | | A Serra Zanetti | 6 | 2 | 4 |
| | A Serra Zanetti | 7$^7$ | 6 | | | A Serra Zanetti | 6 | 6 | | | | | | | | | | | |
| Q | M Czink | 6 | 4 | 6 | Q | M Czink | 3 | 3 | | | | | | | | | | | |
| | T Garbin | 3 | 6 | 1 | | | | | | | A Serra Zanetti | 6 | 3 | 6 | | | | | |
| | A Timotić | 6$^4$ | 1 | | | | | | | 8 | S Pe'er | 3 | 6 | 2 | | | | | |
| LL | S Perry | 7$^7$ | 6 | | LL | S Perry | 4 | 7 | 6$^2$ | | | | | | | | | | |
| | S Brémond | 3 | 4 | | 8 | S Pe'er | 6 | 5 | 7$^7$ | | | | | | | | | | |
| 8 | S Pe'er | 6 | 6 | | | | | | | | | | | | | | | | |

### Bottom 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 | Semifinals | Semifinals |
| 5 | S Mirza | 6 | 4 | 6 | | | | | | | | | | | | | | |
| | H Nagyová | 1 | 6 | 0 | 5 | S Mirza | 5 | r | | | | | | | | | | |
| | M Yuan | 6 | 4 | 6 | | M Yuan | 7 | | | | | | | | | | | |
| | A Nakamura | 2 | 6 | 3 | | | | | | M Yuan | 6 | 3 | 2 | | | | | |
| | R Fujiwara | 5 | 6$^5$ | | | | | | 3 | G Dulko | 4 | 6 | 6 | | | | | |
| WC | V Ruano Pascual | 7 | 7$^7$ | | WC | V Ruano Pascual | 2 | 3 | | | | | | | | | | |
| | J Jackson | 4 | 5 | | 3 | G Dulko | 6 | 6 | | | | | | | | | | |
| 3 | G Dulko | 6 | 7 | | | | | | | | | | | 3 | G Dulko | 6 | 0 | 6$^3$ |
| 6 | C Martínez | 6 | 6 | | | | | | | | | | | 2 | N Vaidišová | 3 | 6 | 7$^7$ |
| | T Tanasugarn | 3 | 2 | | 6 | C Martínez | 6 | 6 | | | | | | | | | | |
| | M Vento-Kabchi | 3 | 2 | | | C Castaño | 2 | 0 | | | | | | | | | | |
| | C Castaño | 6 | 6 | | | | | | 6 | C Martínez | 3 | 0 | | | | | | |
| WC | S Viratprasert | 6 | 7$^7$ | | | | | | 2 | N Vaidišová | 6 | 6 | | | | | | |
| Q | S-w Hsieh | 2 | 6$^1$ | | WC | S Viratprasert | 3 | 1 | | | | | | | | | | |
| | A Spears | 5 | 2 | | 2 | N Vaidišová | 6 | 6 | | | | | | | | | | |
| 2 | N Vaidišová | 7 | 6 | | | | | | | | | | | | | | | |