# 2013 Karshi Challenger – Singles

Igor Kunitsyn was the defending champion, but chose not to participate. Teymuraz Gabashvili defeated Radu Albot 6–4, 6–4 in the final to win the title.

## Seeds

* Teymuraz Gabashvili (champion)
* Amir Weintraub (second round)
* Konstantin Kravchuk (quarterfinals)
* Oleksandr Nedovyesov (quarterfinals)
* Jan Mertl (quarterfinals)
* Chen Ti (semifinals)
* Radu Albot (final)
* Dzmitry Zhyrmont (first 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 | Teymuraz Gabashvili | 6 | 6 | | | | |
| 6 | Chen Ti | 2 | 4 | | | | |
| 6 | Chen Ti | 2 | 4 | 1 | Teymuraz Gabashvili | 6 | 6 |
| | | | | 7 | Radu Albot | 4 | 4 |
| 7 | Radu Albot | 6 | 3 | 7 | Radu Albot | 4 | 4 |
| | Prakash Amritraj | 1 | 0$^r$ | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | T Gabashvili | 6 | 6 | | | | | | | | | | | | | |
| WC | S Fayziev | 2 | 2 | | 1 | T Gabashvili | 6 | 6 | | | | | | | | |
| WC | T Ismailov | 7$^8$ | 6 | | WC | T Ismailov | 0 | 1 | | | | | | | | |
| | G Olaso | 6$^6$ | 4 | | | | | | 1 | T Gabashvili | 7 | 6 | | | | |
| | D Marcan | 6$^2$ | 5 | | | | | | 5 | J Mertl | 5 | 1 | | | | |
| Q | A Bury | 7$^7$ | 7 | | Q | A Bury | 6$^4$ | 5 | | | | | | | | |
| Q | A Vatutin | 5 | 1 | | 5 | J Mertl | 7$^7$ | 7 | | | | | | | | |
| 5 | J Mertl | 7 | 6 | | | | | | | | | | 1 | T Gabashvili | 6 | 6 |
| 4 | O Nedovyesov | 6 | 6 | | | | | | | | | | 6 | T Chen | 2 | 4 |
| WC | S Ikramov | 2 | 0 | | 4 | O Nedovyesov | 6 | 6 | | | | | | | | |
| | R Machado | 3 | 3 | | | A Sikora | 4 | 3 | | | | | | | | |
| | Adrian Sikora | 6 | 6 | | | | | | 4 | O Nedovyesov | 6$^8$ | 3 | | | | |
| | T Androić | 4 | 6 | 6$^3$ | | | | | 6 | T Chen | 7$^{10}$ | 6 | | | | |
| | S-y Jeong | 6 | 3 | 7$^7$ | | S-y Jeong | 5 | 1 | | | | | | | | |
| Q | E Gerasimov | 4 | 6 | 3 | 6 | T Chen | 7 | 6 | | | | | | | | |
| 6 | T Chen | 6 | 0 | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | R Albot | 6 | 6 | | | | | | | | | | | | | | | |
| | Alexander Lobkov | 2 | 3 | | 7 | R Albot | 6 | 6 | | | | | | | | | | |
| | A Kudryavtsev | 6$^{15}$ | 4 | | | M Venus | 4 | 4 | | | | | | | | | | |
| | M Venus | 7$^{17}$ | 6 | | | | | | | 7 | R Albot | 6 | 5 | 6 | | | | |
| | F Krajinović | 6 | 6$^3$ | 6 | | | | | | 3 | K Kravchuk | 2 | 7 | 2 | | | | |
| | L Pouille | 3 | 7$^7$ | 3 | | F Krajinović | 1 | 7$^9$ | 3 | | | | | | | | | |
| | V Vardhan | 2 | 1 | | 3 | K Kravchuk | 6 | 6$^7$ | 6 | | | | | | | | | |
| 3 | K Kravchuk | 6 | 6 | | | | | | | | | | | | 7 | R Albot | 6 | 3 |
| 8 | D Zhyrmont | 4 | 6 | 6$^3$ | | | | | | | | | | | | P Amritraj | 1 | 0$^r$ |
| Q | V Uzakov | 6 | 3 | 7$^7$ | Q | V Uzakov | 7$^7$ | 2 | 0 | | | | | | | | | |
| | D Matsukevich | 6 | 7$^7$ | | | D Matsukevich | 6$^3$ | 6 | 6 | | | | | | | | | |
| WC | Nigmat Shofayziev | 1 | 6$^5$ | | | | | | | | D Matsukevich | 6$^6$ | 3 | | | | | |
| | Antoine Benneteau | 6 | 5 | 1 | | | | | | | P Amritraj | 7$^8$ | 6 | | | | | |
| | P Amritraj | 4 | 7 | 6 | | P Amritraj | 6 | 5 | 6 | | | | | | | | | |
| | A Vasilevski | 1 | 4 | | 2 | A Weintraub | 4 | 7 | 2 | | | | | | | | | |
| 2 | A Weintraub | 6 | 6 | | | | | | | | | | | | | | | |