# 2005 U.S. Men's Clay Court Championships – Singles
## Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
* Andy Roddick (champion)
* Andre Agassi (quarterfinals)
* Tommy Haas (quarterfinals)
* Nicolás Massú (first round)
* Taylor Dent (withdrew because of an ankle injury)
* Sébastien Grosjean (final)
* Jürgen Melzer (semifinals)
* Luis Horna (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
| 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 | Final | Final | Final | Final |
| 1 | A Roddick | 6 | 6 | | | | | | | | | | | | | | | | | | | |
| Q | M Boeker | 2 | 3 | | 1 | A Roddick | 7$^8$ | 6 | | | | | | | | | | | | | | |
| | M Fish | 1 | 4 | | | R Ginepri | 6$^6$ | 4 | | | | | | | | | | | | | | |
| | R Ginepri | 6 | 6 | | | | | | | 1 | A Roddick | 6 | 6 | | | | | | | | | |
| LL | P Goldstein | 6 | 7$^7$ | | | | | | | 8 | L Horna | 4 | 1 | | | | | | | | | |
| | J Vaněk | 1 | 6$^4$ | | LL | P Goldstein | 1 | 7$^9$ | 5 | | | | | | | | | | | | | |
| | T Enqvist | 4 | 3 | | 8 | L Horna | 6 | 6$^7$ | 7 | | | | | | | | | | | | | |
| 8 | L Horna | 6 | 6 | | | | | | | | | | | | 1 | A Roddick | 6 | 6 | | | | |
| 3 | T Haas | 6 | 7 | | | | | | | | | | | | 7 | J Melzer | 1 | 2 | | | | |
| | K Vliegen | 3 | 5 | | 3 | T Haas | 7$^7$ | 6 | | | | | | | | | | | | | | |
| | A Popp | 3 | 6$^4$ | | | J Morrison | 6$^4$ | 2 | | | | | | | | | | | | | | |
| | J Morrison | 6 | 7$^7$ | | | | | | | 3 | T Haas | 6 | 2 | 4 | | | | | | | | |
| Q | N Okun | 6 | 7 | | | | | | | 7 | J Melzer | 2 | 6 | 6 | | | | | | | | |
| | R Mello | 4 | 5 | | Q | N Okun | 6 | 2 | 5 | | | | | | | | | | | | | |
| | M Puerta | 3 | 3 | | 7 | J Melzer | 2 | 6 | 7 | | | | | | | | | | | | | |
| 7 | J Melzer | 6 | 6 | | | | | | | | | | | | | | | | 1 | Andy Roddick | 6 | 6 |
| LL | A García | 4 | 4 | | | | | | | | | | | | | | | | 6 | S Grosjean | 2 | 2 |
| | K Kim | 6 | 6 | | | K Kim | 6$^1$ | 2 | | | | | | | | | | | | | | |
| Q | N Lapentti | 6 | 6 | | Q | N Lapentti | 7$^7$ | 6 | | | | | | | | | | | | | | |
| | T Zíb | 3 | 2 | | | | | | | Q | N Lapentti | 6 | 1 | 7$^7$ | | | | | | | | |
| | I Minář | 2 | 5 | | | | | | | WC | J Blake | 4 | 6 | 6$^3$ | | | | | | | | |
| WC | J Blake | 6 | 7 | | WC | J Blake | 6 | 6 | | | | | | | | | | | | | | |
| | A Dupuis | 6 | 6 | | | A Dupuis | 4 | 1 | | | | | | | | | | | | | | |
| 4 | N Massú | 4 | 0 | | | | | | | | | | | | Q | N Lapentti | 1 | 6$^5$ | | | | |
| 6 | S Grosjean | 4 | 6 | 7 | | | | | | | | | | | 6 | S Grosjean | 6 | 7$^7$ | | | | |
| | B Phau | 6 | 3 | 5 | 6 | S Grosjean | 6 | 5 | 6 | | | | | | | | | | | | | |
| | Ó Hernández | 6 | 7 | | | Ó Hernández | 4 | 7 | 2 | | | | | | | | | | | | | |
| Q | A Bogomolov Jr. | 1 | 5 | | | | | | | 6 | S Grosjean | 4 | 6 | 6 | | | | | | | | |
| | Á Calatrava | 6 | 6 | | | | | | | WC/2 | A Agassi | 6 | 1 | 2 | | | | | | | | |
| WC | D Young | 1 | 4 | | | Á Calatrava | 6 | 4 | 5 | | | | | | | | | | | | | |
| | M Tabara | 2 | 6$^5$ | | WC/2 | A Agassi | 3 | 6 | 7 | | | | | | | | | | | | | |
| WC/2 | A Agassi | 6 | 7$^7$ | | | | | | | | | | | | | | | | | | | |