# 2005 Thailand Open – Singles

The 2005 Thailand Open was a tennis tournament played on indoor hard courts. It was the 3rd edition of the Thailand Open, and was part of the International Series of the 2005 ATP Tour. It took place at the Impact Arena in Bangkok, Thailand, from September 26 through October 2, 2005.
Roger Federer won in the final 6–3, 7–5 against Andy Murray. He did not lose a single set in the entire tournament. By reaching the final, Murray entered the ATP's Top 100 for the first time.

## Seeds

* Roger Federer (champion)
* Lleyton Hewitt (quarterfinals, withdrew)
* Robby Ginepri (quarterfinals)
* Tommy Haas (second round)
* Robin Söderling (second round)
* Jarkko Nieminen (semifinals)
* Paradorn Srichaphan (semifinals)
* Luis Horna (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

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Roger Federer | 6 | 6 | | | | | |
| 6 | Jarkko Nieminen | 3 | 4 | | | | | |
| 6 | Jarkko Nieminen | 3 | 4 | | 1 | Roger Federer | 6 | 7 |
| | | | | | WC | Andrew Murray | 3 | 5 |
| WC | Andrew Murray | 6$^3$ | 7 | 6 | WC | Andrew Murray | 3 | 5 |
| 7 | Paradorn Srichaphan | 7$^7$ | 5 | 2 | | | | |

### 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 |
| 1 | R Federer | 7$^7$ | 6 | | | | | | | | | | | | | | | |
| | M Daniel | 6$^4$ | 4 | | 1 | R Federer | 6 | 6 | | | | | | | | | | |
| | R Karanušić | 2 | 5 | | Q | D Gremelmayr | 3 | 2 | | | | | | | | | | |
| Q | D Gremelmayr | 6 | 7 | | | | | | | 1 | R Federer | 6 | 6 | | | | | |
| | G Müller | 7$^7$ | 2 | 7 | | | | | | | G Müller | 4 | 3 | | | | | |
| WC | M Philippoussis | 6$^5$ | 6 | 5 | | G Müller | 6$^4$ | 7$^7$ | 6 | | | | | | | | | |
| | I Minář | 6 | 6$^6$ | 4 | 8 | L Horna | 7$^7$ | 6$^4$ | 3 | | | | | | | | | |
| 8 | L Horna | 4 | 7$^8$ | 6 | | | | | | | | | | | 1 | R Federer | 6 | 6 |
| 4 | T Haas | 6 | 4 | 6 | | | | | | | | | | | 6 | J Nieminen | 3 | 4 |
| | I Labadze | 3 | 6 | 4 | 4 | T Haas | 5 | 3 | | | | | | | | | | |
| Q | K Kim | 3 | 6$^8$ | | | J Wang | 7 | 6 | | | | | | | | | | |
| | J Wang | 6 | 7$^{10}$ | | | | | | | | J Wang | 4 | 7$^7$ | 4 | | | | |
| | Á Calatrava | 6 | 3 | 5 | | | | | | 6 | J Nieminen | 6 | 6$^3$ | 6 | | | | |
| PR | D Tursunov | 2 | 6 | 7 | PR | D Tursunov | 6$^2$ | 4 | | | | | | | | | | |
| PR | K Kučera | 1 | 1$^r$ | | 6 | J Nieminen | 7$^7$ | 6 | | | | | | | | | | |
| 6 | J Nieminen | 6 | 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 | Semifinals |
| 5 | R Söderling | 4 | 6 | 6 | | | | | | | | | | | | | | |
| | R Vik | 6 | 1 | 2 | 5 | R Söderling | 6$^3$ | 6$^5$ | | | | | | | | | | |
| | G Bastl | 2 | 4 | | WC | A Murray | 7$^7$ | 7$^7$ | | | | | | | | | | |
| WC | A Murray | 6 | 6 | | | | | | | WC | A Murray | 7$^7$ | 7$^7$ | | | | | |
| | D Norman | 4 | 6$^3$ | | | | | | | | R Ginepri | 6$^3$ | 6$^5$ | | | | | |
| Q | N Thomann | 6 | 7$^7$ | | Q | N Thomann | 3 | 6$^4$ | | | | | | | | | | |
| | D Udomchoke | 6 | 3 | 1 | 3 | R Ginepri | 6 | 7$^7$ | | | | | | | | | | |
| 3 | R Ginepri | 4 | 6 | 6 | | | | | | | | | | WC | A Murray | 6$^3$ | 7 | 6 |
| 7 | P Srichaphan | 6 | 6 | | | | | | | | | | | 7 | P Srichaphan | 7$^7$ | 5 | 2 |
| Q | T Chen | 3 | 4 | | 7 | P Srichaphan | 7 | 6 | | | | | | | | | | |
| Q | J P Fruttero | 6 | 3 | 6$^4$ | | G García López | 5 | 4 | | | | | | | | | | |
| | G García López | 3 | 6 | 7$^7$ | | | | | | 7 | P Srichaphan | | | | | | | |
| | J Gimelstob | 6 | 6 | | | | | | | 2 | L Hewitt | w/o | | | | | | |
| | N Lapentti | 4 | 3 | | | J Gimelstob | 4 | 7 | 6$^9$ | | | | | | | | | |
| | L Dlouhý | 3 | 6 | 5 | 2 | L Hewitt | 6 | 5 | 7$^{11}$ | | | | | | | | | |
| 2 | L Hewitt | 6 | 3 | 7 | | | | | | | | | | | | | | |
Qualifying