# 2011 Kremlin Cup – Men's singles

Viktor Troicki was the defending champion, but his compatriot Janko Tipsarević defeated him in the first all-Serbian final in tennis history 6–4, 6–2.

## Seeds

The top four seeds receive a bye into the second round.
* Janko Tipsarević (champion)
* Viktor Troicki (final)
* Alexandr Dolgopolov (second round)
* Nikolay Davydenko (semifinals)
* Alex Bogomolov Jr. (quarterfinals)
* Dmitry Tursunov (quarterfinals)
* Gilles Müller (second round)
* Andreas Seppi (second round)

## Main 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 | Final | Final | Final | Final |
| 1 | Janko Tipsarević | 6 | 7 | | | | |
| 4 | Nikolay Davydenko | 2 | 5 | | | | |
| 4 | Nikolay Davydenko | 2 | 5 | 1 | Janko Tipsarević | 6 | 6 |
| | | | | 2 | Viktor Troicki | 4 | 2 |
| Q | Jérémy Chardy | 4 | 4 | 2 | Viktor Troicki | 4 | 2 |
| 2 | Viktor Troicki | 6 | 6 | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | J Tipsarević | 6$^5$ | 6 | 6 | | | | | | | | |
| WC | A Kuznetsov | 5 | 6 | 3 | | I Kunitsyn | 7$^7$ | 1 | 0 | | | | | | | | |
| | I Kunitsyn | 7 | 4 | 6 | | | | | | 1 | J Tipsarević | 6 | 6 | | | | |
| | J Benneteau | 6 | 6 | | | | | | | 6 | D Tursunov | 4 | 2 | | | | |
| WC | E Donskoy | 4 | 3 | | | J Benneteau | 3 | 6$^1$ | | | | | | | | | |
| | A Ramos | 6$^5$ | 4 | | 6 | D Tursunov | 6 | 7$^7$ | | | | | | | | | |
| 6 | D Tursunov | 7$^7$ | 6 | | | | | | | | | | | 1 | J Tipsarević | 6 | 7 |
| | | | | | | | | | | | | | | 4 | N Davydenko | 2 | 5 |
| | | | | | 4 | N Davydenko | 7 | 6 | | | | | | | | | |
| | K Beck | 2 | 4 | | WC | T Gabashvili | 5 | 2 | | | | | | | | | |
| WC | T Gabashvili | 6 | 6 | | | | | | | 4 | N Davydenko | 6 | 6 | | | | |
| | S Stakhovsky | 2 | 4 | | | | | | | Q | M Berrer | 3 | 2 | | | | |
| Q | M Berrer | 6 | 6 | | Q | M Berrer | 4 | 6 | 6 | | | | | | | | |
| | I Andreev | 6 | 3 | 6$^4$ | 8 | A Seppi | 6 | 3 | 2 | | | | | | | | |
| 8 | A Seppi | 2 | 6 | 7$^7$ | | | | | | | | | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | G Müller | 7$^7$ | 6 | | | | | | | | | | | | | | | |
| Q | K Kravchuk | 6$^5$ | 4 | | 7 | G Müller | 6$^4$ | 3 | | | | | | | | | | |
| | P Kohlschreiber | 7 | 6 | | | P Kohlschreiber | 7$^7$ | 6 | | | | | | | | | | |
| | C Berlocq | 5 | 3 | | | | | | | | P Kohlschreiber | 4 | 3 | | | | | |
| Q | J Chardy | 6 | 6$^5$ | 7$^7$ | | | | | | Q | J Chardy | 6 | 6 | | | | | |
| | P Starace | 3 | 7$^7$ | 6$^2$ | Q | J Chardy | 6 | 7$^8$ | | | | | | | | | | |
| | | | | | 3 | A Dolgopolov | 3 | 6$^6$ | | | | | | | | | | |
| | | | | | | | | | | | | | | | Q | J Chardy | 4 | 4 |
| 5 | A Bogomolov Jr. | 3 | 6 | 6 | | | | | | | | | | | 2 | V Troicki | 6 | 6 |
| Q | D Lajović | 6 | 3 | 4 | 5 | A Bogomolov Jr. | 6 | 3 | 6 | | | | | | | | | |
| | M Kukushkin | 7$^7$ | 7 | | | M Kukushkin | 4 | 6 | 4 | | | | | | | | | |
| | L Rosol | 6$^5$ | 5 | | | | | | | 5 | A Bogomolov Jr. | 6$^6$ | 7$^7$ | 6$^1$ | | | | |
| | A Haider-Maurer | 2 | 7$^7$ | 3 | | | | | | 2 | V Troicki | 7$^8$ | 6$^1$ | 7$^7$ | | | | |
| | P Riba | 6 | 6$^1$ | 6 | | P Riba | 4 | 4 | | | | | | | | | | |
| | | | | | 2 | V Troicki | 6 | 6 | | | | | | | | | | |