# 2004 Thailand Open – Singles

Roger Federer won in the final 6–4, 6–0 against Andy Roddick.

## Seeds

* Roger Federer (champion)
* Andy Roddick (final)
* Marat Safin (semifinals)
* Paradorn Srichaphan (semifinals)
* Taylor Dent (second round)
* Feliciano López (first round)
* Igor Andreev (first round)
* Robin Söderling (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 |
| 1 | Roger Federer | 7 | 2 | 6 | | | | |
| 4 | Paradorn Srichaphan | 5 | 6 | 3 | | | | |
| 4 | Paradorn Srichaphan | 5 | 6 | 3 | 1 | Roger Federer | 6 | 6 |
| | | | | | 2 | Andy Roddick | 4 | 0 |
| 3 | Marat Safin | 6$^1$ | 7$^7$ | 6$^2$ | 2 | Andy Roddick | 4 | 0 |
| 2 | Andy Roddick | 7$^7$ | 6$^0$ | 7$^7$ | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | R Federer | 6 | 7$^7$ | | | | | | | | | | | | | | |
| | N Thomann | 4 | 6$^4$ | | 1 | R Federer | 6 | 6 | | | | | | | | | |
| | A Sávolt | 4 | 1 | | | I Heuberger | 1 | 3 | | | | | | | | | |
| | I Heuberger | 6 | 6 | | | | | | 1 | R Federer | 7$^7$ | 6 | | | | | |
| | P Baccanello | 7$^7$ | 1 | 7$^7$ | | | | | 8 | R Söderling | 6$^3$ | 4 | | | | | |
| | M Rosset | 6$^2$ | 6 | 6$^4$ | | P Baccanello | 1 | 3 | | | | | | | | | |
| | H Levy | 3 | 4 | | 8 | R Söderling | 6 | 6 | | | | | | | | | |
| 8 | R Söderling | 6 | 6 | | | | | | | | | | 1 | R Federer | 7 | 2 | 6 |
| 4 | P Srichaphan | 6 | 7$^7$ | | | | | | | | | | 4 | P Srichaphan | 5 | 6 | 3 |
| | M Chiudinelli | 4 | 6$^3$ | | 4 | P Srichaphan | 6 | 7$^7$ | | | | | | | | | |
| Q | J Crabb | 3 | 2 | | | A Bogomolov Jr. | 0 | 6$^4$ | | | | | | | | | |
| | A Bogomolov Jr. | 6 | 6 | | | | | | 4 | P Srichaphan | 6 | 7 | | | | | |
| | D van Scheppingen | 4 | 7 | 6 | | | | | | D van Scheppingen | 2 | 5 | | | | | |
| WC | N Djokovic | 6 | 5 | 4 | | D van Scheppingen | 6 | 6 | | | | | | | | | |
| | J Gimelstob | 6 | 4 | 4 | 5 | T Dent | 0 | 4 | | | | | | | | | |
| 5 | T Dent | 4 | 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | I Andreev | 1 | 2 | | | | | | | | | | | | | | | |
| Q | R Wassen | 6 | 6 | | Q | R Wassen | 6 | 1 | 2 | | | | | | | | | |
| | F Saretta | 6 | 6 | | | F Saretta | 3 | 6 | 6 | | | | | | | | | |
| WC | P Amritraj | 3 | 3 | | | | | | | | F Saretta | 2 | 1 | | | | | |
| WC | D Udomchoke | 6 | 5 | 2 | | | | | | 3 | M Safin | 6 | 6 | | | | | |
| | J Vaněk | 3 | 7 | 6 | | J Vaněk | 3 | 3 | | | | | | | | | | |
| | N Okun | 2 | 3 | | 3 | M Safin | 6 | 6 | | | | | | | | | | |
| 3 | M Safin | 6 | 6 | | | | | | | | | | | 3 | M Safin | 6$^1$ | 7$^7$ | 6$^2$ |
| 6 | F López | 6 | 2 | 6$^5$ | | | | | | | | | | 2 | A Roddick | 7$^7$ | 6$^0$ | 7$^7$ |
| | T Johansson | 1 | 6 | 7$^7$ | | T Johansson | 6 | 6 | | | | | | | | | | |
| Q | S Iwabuchi | 6$^5$ | 3 | | | A García | 3 | 3 | | | | | | | | | | |
| | A García | 7$^7$ | 6 | | | | | | | | T Johansson | 3 | 4 | | | | | |
| | J Morrison | 6 | 6 | | | | | | | 2 | A Roddick | 6 | 6 | | | | | |
| Q | M Kohlmann | 3 | 4 | | | J Morrison | 2 | 7$^7$ | 4 | | | | | | | | | |
| LL | A Parmar | 1 | 4 | | 2 | A Roddick | 6 | 6$^4$ | 6 | | | | | | | | | |
| 2 | A Roddick | 6 | 6 | | | | | | | | | | | | | | | |