# 2001 U.S. Men's Clay Court Championships – Singles

Fernando González was the defending champion but lost in the first round to Michal Tabara.
Andy Roddick won in the final 7–5, 6–3 against Hyung-Taik Lee.

## Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
* Jan-Michael Gambill (first round)
* Andrew Ilie (quarterfinals)
* Jérôme Golmard (semifinals)
* Michal Tabara (semifinals)
* Magnus Gustafsson (second round)
* Olivier Rochus (quarterfinals)
* Xavier Malisse (second round)
* Hyung-Taik Lee (final)

## 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 | Semifinals | Final | Final | Final | Final |
| 1 | J-M Gambill | 5 | 6 | 2 | | | | | | | | | | | | | | | | | | | |
| Q | C Ruud | 7 | 3 | 6 | Q | C Ruud | 6 | 2 | 5 | | | | | | | | | | | | | | |
| | S Koubek | 6$^4$ | 6 | 6 | | S Koubek | 4 | 6 | 7 | | | | | | | | | | | | | | |
| | E Kempes | 7$^7$ | 3 | 3 | | | | | | | S Koubek | 3 | 1 | | | | | | | | | | |
| | R Sluiter | 3 | 4 | | | | | | | WC | A Roddick | 6 | 6 | | | | | | | | | | |
| WC | A Roddick | 6 | 6 | | WC | A Roddick | 6 | 6 | | | | | | | | | | | | | | | |
| | F Meligeni | 0 | 2 | | 5 | M Gustafsson | 2 | 4 | | | | | | | | | | | | | | | |
| 5 | M Gustafsson | 6 | 6 | | | | | | | | | | | | WC | A Roddick | 7$^7$ | 7$^7$ | | | | | |
| 3 | J Golmard | 4 | 6 | 7 | | | | | | | | | | | 3 | J Golmard | 6$^3$ | 6$^2$ | | | | | |
| | K Alami | 6 | 4 | 5 | 3 | J Golmard | 7$^7$ | 6 | | | | | | | | | | | | | | | |
| | G Bastl | 4 | 4 | | | D Sánchez | 6$^3$ | 4 | | | | | | | | | | | | | | | |
| | D Sánchez | 6 | 6 | | | | | | | 3 | J Golmard | 6 | 6 | | | | | | | | | | |
| WC | M Russell | 5 | 0 | | | | | | | | J Vaněk | 3 | 2 | | | | | | | | | | |
| | J Vaněk | 7 | 6 | | | J Vaněk | 7$^7$ | 7$^7$ | | | | | | | | | | | | | | | |
| Q | I Labadze | 6 | 3 | 4 | 7 | X Malisse | 6$^4$ | 6$^5$ | | | | | | | | | | | | | | | |
| 7 | X Malisse | 2 | 6 | 6 | | | | | | | | | | | | | | | | WC | Andy Roddick | 7 | 6 |
| 6 | O Rochus | 6 | 6 | | | | | | | | | | | | | | | | | 8 | Hyung-Taik Lee | 5 | 3 |
| Q | R Ginepri | 4 | 4 | | 6 | O Rochus | 6 | 7$^9$ | | | | | | | | | | | | | | | |
| WC | M Fish | 4 | 4 | | | A Gaudenzi | 2 | 6$^7$ | | | | | | | | | | | | | | | |
| | A Gaudenzi | 6 | 6 | | | | | | | 6 | O Rochus | 4 | 2 | | | | | | | | | | |
| | C Rochus | 2 | 4 | | | | | | | 4 | M Tabara | 6 | 6 | | | | | | | | | | |
| Q | J Blake | 6 | 6 | | Q | J Blake | 6 | 3 | 4 | | | | | | | | | | | | | | |
| | F González | 5 | 4 | | 4 | M Tabara | 3 | 6 | 6 | | | | | | | | | | | | | | |
| 4 | M Tabara | 7 | 6 | | | | | | | | | | | | 4 | M Tabara | 6 | 2 | 1 | | | | |
| 8 | H-T Lee | 6 | 6 | | | | | | | | | | | | 8 | H-T Lee | 4 | 6 | 6 | | | | |
| | A Stoliarov | 4 | 1 | | 8 | H-T Lee | 6 | 4 | 7 | | | | | | | | | | | | | | |
| | M Larsson | 5 | 6 | 7$^{13}$ | | M Larsson | 0 | 6 | 5 | | | | | | | | | | | | | | |
| | J Siemerink | 7 | 1 | 6$^{11}$ | | | | | | 8 | H-T Lee | 6 | 2 | 6 | | | | | | | | | |
| | C Woodruff | 5 | 3 | | | | | | | 2 | A Ilie | 4 | 6 | 2 | | | | | | | | | |
| | A Popp | 7 | 6 | | | A Popp | 6 | 2 | 6$^5$ | | | | | | | | | | | | | | |
| | L Burgsmüller | 3 | 5 | | 2 | A Ilie | 4 | 6 | 7$^7$ | | | | | | | | | | | | | | |
| 2 | A Ilie | 6 | 7 | | | | | | | | | | | | | | | | | | | | |