# 2011 Tashkent Challenger – Singles

Karol Beck was the defending champion but decided not to participate.
Denis Istomin won the final 6–4, 6–3 against Jürgen Zopp and claimed the title.

## Seeds

* Lu Yen-hsun (second round)
* Dudi Sela (withdrew)
* Denis Istomin (champion)
* Cedrik-Marcel Stebe (second round)
* Rainer Schüttler (first round)
* Vasek Pospisil (withdrew)
* Teymuraz Gabashvili (first round)
* Rik de Voest (second 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

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| | Raven Klaasen | 3 | 4 | | | | |
| | Jürgen Zopp | 6 | 6 | | | | |
| | Jürgen Zopp | 6 | 6 | | Jürgen Zopp | 4 | 3 |
| | | | | 3 | Denis Istomin | 6 | 6 |
| 3 | Denis Istomin | 7$^7$ | 7 | 3 | Denis Istomin | 6 | 6 |
| | Konstantin Kravchuk | 6$^4$ | 5 | | | | |

### 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 | Semifinals | Semifinals | Semifinals |
| 1 | Y-h Lu | 6 | 7$^{10}$ | | | | | | | | | | | | |
| Q | Stanislav Poplavskyy | 1 | 6$^8$ | | 1 | Y-h Lu | 4 | 3 | | | | | | | |
| | R Klaasen | 6 | 6 | | | R Klaasen | 6 | 6 | | | | | | | |
| Q | Andrey Boldarev | 4 | 4 | | | | | | | R Klaasen | 7$^8$ | 6 | | | |
| | A Brugués Davi | 4 | 3 | | | | | | | D Molchanov | 6$^6$ | 3 | | | |
| | D Molchanov | 6 | 6 | | | D Molchanov | 6$^4$ | 6 | 7 | | | | | | |
| WC | V Vardhan | 7$^7$ | 6 | | WC | V Vardhan | 7$^7$ | 3 | 5 | | | | | | |
| LL | Sergey Shipilov | 6$^5$ | 2 | | | | | | | | | | R Klaasen | 3 | 4 |
| 4 | C-M Stebe | 6 | 6 | | | | | | | | | | J Zopp | 6 | 6 |
| | D Goffin | 4 | 4 | | 4 | C-M Stebe | 6$^5$ | 5 | | | | | | | |
| | H Heliövaara | 1 | 1 | | | J Zopp | 7$^7$ | 7 | | | | | | | |
| | J Zopp | 6 | 6 | | | | | | | J Zopp | 7$^8$ | 6 | | | |
| | T-h Yang | 6 | 3 | 7 | | | | | | T-h Yang | 6$^6$ | 2 | | | |
| | I Marchenko | 3 | 6 | 5 | | T-h Yang | 4 | 6 | 7 | | | | | | |
| | F Dustov | 6$^5$ | 6 | 7$^7$ | | F Dustov | 6 | 1 | 5 | | | | | | |
| 7 | T Gabashvili | 7$^7$ | 3 | 6$^5$ | | | | | | | | | | | |

### 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 |
| 5 | R Schüttler | 4 | 4 | | | | | | | | | | | | | | |
| | D Meffert | 6 | 6 | | | D Meffert | 1 | 1$^r$ | | | | | | | | | |
| LL | Jakhongir Khaydarov | 1 | 2 | | WC | M Inoyatov | 6 | 2 | | | | | | | | | |
| WC | M Inoyatov | 6 | 6 | | | | | | | WC | M Inoyatov | 2 | 3 | | | | |
| WC | Temur Ismailov | 5 | 3 | | | | | | | 3 | D Istomin | 6 | 6 | | | | |
| | S Rieschick | 7 | 6 | | | S Rieschick | 4 | 3 | | | | | | | | | |
| | U Ignatik | 6 | 3 | 6$^0$ | 3 | D Istomin | 6 | 6 | | | | | | | | | |
| 3 | D Istomin | 3 | 6 | 7$^7$ | | | | | | | | | | 3 | D Istomin | 7$^7$ | 7 |
| 8 | R de Voest | 6 | 7 | | | | | | | | | | | | K Kravchuk | 6$^4$ | 5 |
| Q | S Ikramov | 3 | 5 | | 8 | R de Voest | 7 | 3 | 3 | | | | | | | | |
| | K Kravchuk | 7 | 7$^8$ | | | K Kravchuk | 5 | 6 | 6 | | | | | | | | |
| Q | E Kirillov | 5 | 6$^6$ | | | | | | | | K Kravchuk | 7$^7$ | 7$^7$ | | | | |
| | D Matsukevich | 6 | 6 | | | | | | | | D Matsukevich | 6$^4$ | 6$^1$ | | | | |
| WC | Nigmat Shofayziev | 2 | 1 | | | D Matsukevich | 6 | 1 | | | | | | | | | |
| | J Hernych | 6 | 6 | | | J Hernych | 3 | 0 | r | | | | | | | | |
| LL | Pavel Tsoy | 0 | 4 | | | | | | | | | | | | | | |