# 2011 Samarkand Challenger – Singles

Andrej Martin was the defending champion, but Radu Albot defeated and eliminated him already in the first round. Denis Istomin won the title, defeating Malek Jaziri, who retired after Istomin won the first set by a score of 7–6$^{(7–2)}$.

## Seeds

* Denis Istomin (champion)
* Alexander Kudryavtsev (first round)
* Igor Sijsling (second round)
* Victor Crivoi (quarterfinals)
* Andrej Martin (first round)
* Malek Jaziri (final, retired due to right ankle injury)
* Jonathan Dasnières de Veigy (second round)
* Ivo Klec (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 |
| 1/WC | Denis Istomin | 7 | 7 | | | | |
| | Gerald Melzer | 5 | 5 | | | | |
| | Gerald Melzer | 5 | 5 | 1/WC | Denis Istomin | 7$^7$ | 0 |
| | | | | 6 | Malek Jaziri | 6$^2$ | 0$^r$ |
| | Miloslav Mečíř Jr. | 6$^4$ | 3 | 6 | Malek Jaziri | 6$^2$ | 0$^r$ |
| 6 | Malek Jaziri | 7$^7$ | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1/WC | D Istomin | 6 | 6 | | | | | | | | | | | | | | | |
| | M Elgin | 3 | 4 | | 1/WC | D Istomin | 7$^7$ | 6 | | | | | | | | | | |
| | V Vardhan | 4 | 7$^7$ | 3 | | M Ledovskikh | 6$^3$ | 2 | | | | | | | | | | |
| | M Ledovskikh | 6 | 6$^5$ | 6 | | | | | | 1/WC | D Istomin | 6 | 7 | | | | | |
| WC | C Rungkat | 6 | 6 | | | | | | | | R Albot | 3 | 5 | | | | | |
| LL | Jakhongir Jalalov | 1 | 0 | | WC | C Rungkat | 4 | 3 | | | | | | | | | | |
| | R Albot | 3 | 6 | 6 | | R Albot | 6 | 6 | | | | | | | | | | |
| 5 | A Martin | 6 | 1 | 3 | | | | | | | | | | | 1/WC | D Istomin | 7 | 7 |
| 3 | I Sijsling | 6 | 6 | | | | | | | | | | | | | G Melzer | 5 | 5 |
| | Junn Mitsuhashi | 2 | 2 | | 3 | I Sijsling | 2 | 3 | | | | | | | | | | |
| LL | V Uzakov | 2 | 4 | | | G Melzer | 6 | 6 | | | | | | | | | | |
| | G Melzer | 6 | 6 | | | | | | | | G Melzer | 4 | 6 | 6 | | | | |
| WC | M Inoyatov | 6$^1$ | 5 | | | | | | | | T-h Yang | 6 | 3 | 4 | | | | |
| | T-h Yang | 7$^7$ | 7 | | | T-h Yang | 1 | 6 | 6 | | | | | | | | | |
| Q | D Sharan | 7$^7$ | 2 | 4 | 8 | I Klec | 6 | 4 | 3 | | | | | | | | | |
| 8 | I Klec | 6$^5$ | 6 | 6 | | | | | | | | | | | | | | |

### 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 |
| 7 | J Dasnières de Veigy | 7$^7$ | 4 | 6 | | | | | | | | | | | | | |
| | D Lajović | 6$^3$ | 6 | 3 | 7 | J Dasnières de Veigy | 7$^8$ | 0 | 6$^3$ | | | | | | | | |
| | M Mečíř Jr. | 7 | 6 | | | M Mečíř Jr. | 6$^6$ | 6 | 7$^7$ | | | | | | | | |
| | Mikhail Vasiliev | 5 | 3 | | | | | | | | M Mečíř Jr. | 7$^9$ | 6 | | | | |
| | A Kuznetsov | 6$^5$ | 6 | 6 | | | | | | 4 | V Crivoi | 6$^7$ | 4 | | | | |
| | M Semjan | 7$^7$ | 4 | 1 | | A Kuznetsov | 6 | 4 | 4 | | | | | | | | |
| Q | Temur Ismailov | 4 | 0 | | 4 | V Crivoi | 2 | 6 | 6 | | | | | | | | |
| 4 | V Crivoi | 6 | 6 | | | | | | | | | | | | M Mečíř Jr. | 3 | 6$^4$ |
| 6 | M Jaziri | 6 | 7$^7$ | | | | | | | | | | | 6 | M Jaziri | 6 | 7$^7$ |
| | L Recouderc | 3 | 6$^4$ | | 6 | M Jaziri | 6 | 6 | | | | | | | | | |
| WC | Nigmat Shofayziev | 6 | 7$^7$ | | WC | Nigmat Shofayziev | 1 | 2 | | | | | | | | | |
| Q | S Ikramov | 4 | 6$^4$ | | | | | | | 6 | M Jaziri | 7 | 6 | | | | |
| | A Menéndez | 5 | 4 | | | | | | | | M Zekić | 5 | 0 | | | | |
| | F Dustov | 7 | 6 | | | F Dustov | 4 | 7$^7$ | 6$^5$ | | | | | | | | |
| | M Zekić | 6 | 6 | | | M Zekić | 6 | 6$^5$ | 7$^7$ | | | | | | | | |
| 2/Q | A Kudryavtsev | 4 | 4 | | | | | | | | | | | | | | |