# 2011 Legg Mason Tennis Classic – Singles

David Nalbandian was the defending champion, but lost to James Blake in the second round.
Radek Štěpánek won the title, defeating Gaël Monfils 6–4, 6–4, in the final.

## Seeds

All seeds received a bye into the second round.
* Gaël Monfils (final)
* Mardy Fish (withdrew due to a bruised right heel)
* Viktor Troicki (quarterfinals)
* Jürgen Melzer (second round, retired due to left quad injury)
* Fernando Verdasco (quarterfinals)
* Janko Tipsarević (quarterfinals)
* Marcos Baghdatis (quarterfinals)
* David Nalbandian (second round)
* Nikolay Davydenko (third round)
* Michaël Llodra (second round, retired)
* John Isner (semifinals)
* Thomaz Bellucci (third round)
* Kevin Anderson (third round)
* Xavier Malisse (second round, retired due to right arm injury)
* Dmitry Tursunov (third round)
* Jarkko Nieminen (third 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

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1/WC | Gaël Monfils | 6 | 6 | | | | | | | | | | |
| 6 | Janko Tipsarević | 4 | 4 | | | | | | | | | | |
| 6 | Janko Tipsarević | 4 | 4 | | 1/WC | Gaël Monfils | 6 | 3 | 7$^8$ | | | | |
| | | | | | 11 | John Isner | 4 | 6 | 6$^6$ | | | | |
| 3 | Viktor Troicki | 6$^5$ | 6 | 1 | 11 | John Isner | 4 | 6 | 6$^6$ | | | | |
| 11 | John Isner | 7$^7$ | 3 | 6 | | | | | | | | | |
| 11 | John Isner | 7$^7$ | 3 | 6 | | | | | | 1/WC | Gaël Monfils | 4 | 4 |
| | | | | | | | | | | | Radek Štěpánek | 6 | 6 |
| 7 | Marcos Baghdatis | 3 | 6$^4$ | | | | | | | | | | | Radek Štěpánek | 6 | 6 |
| | Donald Young | 6 | 7$^7$ | | | | | | | | | | |
| | Donald Young | 6 | 7$^7$ | | | Donald Young | 3 | 3 | | | | | |
| | | | | | | Radek Štěpánek | 6 | 6 | | | | | |
| 5/WC | Fernando Verdasco | 4 | 4 | | | Radek Štěpánek | 6 | 6 | | | | | |
| | Radek Štěpánek | 6 | 6 | | | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1/WC | G Monfils | 6 | 7$^7$ | | | | | | | | |
| | R Sweeting | 6 | 6 | | | R Sweeting | 3 | 6$^3$ | | | | | | | | |
| | A Bogomolov Jr. | 2 | 4 | | | | | | 1/WC | G Monfils | 6 | 7$^{11}$ | | | | |
| | M İlhan | 5 | 0 | | | | | | 15 | D Tursunov | 2 | 6$^9$ | | | | |
| | F Cipolla | 7 | 6 | | | F Cipolla | 1 | 4 | | | | | | | | |
| | | | | | 15 | D Tursunov | 6 | 6 | | | | | | | | |
| | | | | | | | | | | | | | 1/WC | G Monfils | 6 | 6 |
| | | | | | | | | | | | | | 6 | J Tipsarević | 4 | 4 |
| | | | | | 10 | M Llodra | 3 | r | | | | | | | | |
| Q | T Smyczek | 6 | 6$^3$ | 6$^3$ | | G Dimitrov | 4 | | | | | | | | | |
| | G Dimitrov | 4 | 7$^7$ | 7$^7$ | | | | | | G Dimitrov | 4 | 2 | | | | |
| | P Lorenzi | 5 | 1 | | | | | | 6 | J Tipsarević | 6 | 6 | | | | |
| | M Berrer | 7 | 6 | | | M Berrer | 3 | 4 | | | | | | | | |
| | | | | | 6 | J Tipsarević | 6 | 6 | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 3 | V Troicki | 7 | 6 | | | | | | | | | | | |
| WC | R Harrison | 6 | 1 | 6 | WC | R Harrison | 5 | 2 | | | | | | | | | | | |
| | M Zverev | 4 | 6 | 1 | | | | | | 3 | V Troicki | 6 | 6 | | | | | | |
| | A Falla | 6$^3$ | 3 | | | | | | | 13 | K Anderson | 3 | 3 | | | | | | |
| Q | C Guccione | 7$^7$ | 6 | | Q | C Guccione | 6 | 2 | 6$^0$ | | | | | | | | | | |
| | | | | | 13 | K Anderson | 3 | 6 | 7$^7$ | | | | | | | | | | |
| | | | | | | | | | | | | | | | 3 | V Troicki | 6$^5$ | 6 | 1 |
| | | | | | | | | | | | | | | | 11 | J Isner | 7$^7$ | 3 | 6 |
| | | | | | 11 | J Isner | 6 | 6 | | | | | | | | | | | |
| WC | D Kudla | 4 | 2 | | | T Kamke | 1 | 3 | | | | | | | | | | | |
| | T Kamke | 6 | 6 | | | | | | | 11 | J Isner | 7$^7$ | 1 | 7$^7$ | | | | | |
| | J Blake | 6 | 6 | | | | | | | | J Blake | 6$^0$ | 6 | 6$^4$ | | | | | |
| | T Ito | 3 | 3 | | | J Blake | 6 | 6 | | | | | | | | | | | |
| | | | | | 8 | D Nalbandian | 2 | 4 | | | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 7 | M Baghdatis | 6 | 0 | 7 | | | | | | | | | |
| | D Gremelmayr | 2 | 3 | | S Devvarman | 2 | 6 | 5 | | | | | | | | | |
| | S Devvarman | 6 | 6 | | | | | | 7 | M Baghdatis | 3 | 6 | 6 | | | | |
| | T Haas | 6 | 6 | | | | | | 12 | T Bellucci | 6 | 3 | 2 | | | | |
| LL | A Delić | 2 | 3 | | T Haas | 6$^3$ | 6 | 3 | | | | | | | | | |
| | | | | 12 | T Bellucci | 7$^7$ | 3 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | 7 | M Baghdatis | 3 | 6$^4$ |
| | | | | | | | | | | | | | | | D Young | 6 | 7$^7$ |
| | | | | 14 | X Malisse | 6$^4$ | 3 | r | | | | | | | | | |
| | I Karlović | 4 | 6$^4$ | | M Russell | 7$^7$ | 2 | | | | | | | | | | |
| | M Russell | 6 | 7$^7$ | | | | | | | M Russell | 3 | 3 | | | | | |
| Q | A Sitak | 0 | 3 | | | | | | | D Young | 6 | 6 | | | | | |
| | D Young | 6 | 6 | | D Young | 6$^6$ | 6 | 3 | | | | | | | | | |
| | | | | 4 | J Melzer | 7$^8$ | 4 | 1$^r$ | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 5/WC | F Verdasco | 6 | 6 | | | | | | | | | |
| Q | M Matosevic | 7$^7$ | 3 | 6 | Q | M Matosevic | 4 | 4 | | | | | | | | | |
| | R Berankis | 6$^3$ | 6 | 1 | | | | | 5/WC | F Verdasco | 6 | 7 | | | | | |
| Q | R Ram | 1 | 2$^r$ | | | | | | 9 | N Davydenko | 4 | 5 | | | | | |
| Q | M Ebden | 6 | 3 | | Q | M Ebden | 3 | 5 | | | | | | | | | |
| | | | | | 9 | N Davydenko | 6 | 7 | | | | | | | | | |
| | | | | | | | | | | | | | | 5/WC | F Verdasco | 4 | 4 |
| | | | | | | | | | | | | | | | R Štěpánek | 6 | 6 |
| | | | | | 16 | J Nieminen | 7 | 6 | | | | | | | | | |
| | G Müller | 4 | 6 | 6$^5$ | | I Kunitsyn | 5 | 4 | | | | | | | | | |
| | I Kunitsyn | 6 | 3 | 7$^7$ | | | | | 16 | J Nieminen | 4 | 6 | 2 | | | | |
| | R Štěpánek | 6$^2$ | 6 | 6 | | | | | | R Štěpánek | 6 | 3 | 6 | | | | |
| | P Petzschner | 7$^7$ | 4 | 0 | | R Štěpánek | 6 | 6 | | | | | | | | | |
| | | | | | LL | W Odesnik | 1 | 1 | | | | | | | | | |