# 2013 Mersin Cup – Singles

João Sousa was the defending champion but chose not to compete. Jiří Veselý defeated Simon Greul 6–1, 6–1 in the final to win the title.

## Seeds

* Andreas Haider-Maurer (second round)
* Jan-Lennard Struff (first round)
* Uladzimir Ignatik (second round)
* Dušan Lajović (second round)
* Mikhail Kukushkin (second round)
* Simon Greul (final)
* Stéphane Robert (semifinals)
* Dominik Meffert (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 | Semifinals | Final | Final | Final | Final |
| | Bastian Knittel | 6 | 2 | 1 | | | | |
| | Jiří Veselý | 3 | 6 | 6 | | | | |
| | Jiří Veselý | 3 | 6 | 6 | | Jiří Veselý | 6 | 6 |
| | | | | | 6 | Simon Greul | 1 | 1 |
| 7 | Stéphane Robert | 6$^2$ | 6 | 2 | 6 | Simon Greul | 1 | 1 |
| 6 | Simon Greul | 7$^7$ | 2 | 6 | | | | |

### Top half

| 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 | A Haider-Maurer | 6 | 6 | | | | | | | | | | | | | |
| | R Albot | 1 | 2 | 1 | A Haider-Maurer | 2 | 4 | | | | | | | | | |
| | B Knittel | 6 | 7$^7$ | | B Knittel | 6 | 6 | | | | | | | | | |
| | S Vagnozzi | 4 | 6$^4$ | | | | | | | B Knittel | 5 | | | | | |
| | E Korolev | 2$^r$ | | | | | | | Q | M Linzer | 0$^r$ | | | | | |
| Q | M Linzer | 5 | | Q | M Linzer | 7$^7$ | 6 | | | | | | | | | |
| WC | T Altuna | 1 | 1 | 5 | M Kukushkin | 6$^5$ | 4 | | | | | | | | | |
| 5 | M Kukushkin | 6 | 6 | | | | | | | | | | B Knittel | 6 | 2 | 1 |
| 4 | D Lajović | 6 | 6 | | | | | | | | | | J Veselý | 3 | 6 | 6 |
| WC | A Yüksel | 3 | 1 | 4 | D Lajović | 2 | 6 | 4 | | | | | | | | |
| | J Veselý | 6 | 6 | | J Veselý | 6 | 3 | 6 | | | | | | | | |
| | F Dustov | 2 | 1 | | | | | | | J Veselý | 6 | 7$^7$ | | | | |
| | J Martí | 1 | 1 | | | | | | | J Reister | 2 | 6$^1$ | | | | |
| | J Reister | 6 | 6 | | J Reister | 6 | 6 | | | | | | | | | |
| WC | Barkın Yalçınkale | 0 | 0 | 8 | D Meffert | 4 | 3 | | | | | | | | | |
| 8 | D Meffert | 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 | Semifinals |
| 7 | S Robert | 5 | 6 | 6 | | | | | | | | | | | | | | |
| Q | M Gawron | 7 | 3 | 3 | 7 | S Robert | 6 | 6 | | | | | | | | | | |
| LL | A Smirnov | 4 | 4 | | | J Mertl | 3 | 4 | | | | | | | | | | |
| | J Mertl | 6 | 6 | | | | | | | 7 | S Robert | 6 | 6 | | | | | |
| Q | J Pospíšil | 5 | 3 | | | | | | | | V Crivoi | 2 | 3 | | | | | |
| | V Crivoi | 7 | 6 | | | V Crivoi | 3 | 6 | 6 | | | | | | | | | |
| PR | A Beck | 4 | 4 | | 3 | U Ignatik | 6 | 3 | 3 | | | | | | | | | |
| 3 | U Ignatik | 6 | 6 | | | | | | | | | | | 7 | S Robert | 6$^2$ | 6 | 2 |
| 6 | S Greul | 6 | 7$^8$ | | | | | | | | | | | 6 | S Greul | 7$^7$ | 2 | 6 |
| | J Huta Galung | 1 | 6$^6$ | | 6 | S Greul | 6 | 6 | | | | | | | | | | |
| WC | C İlkel | 2 | 4 | | | O Nedovyesov | 2 | 3 | | | | | | | | | | |
| | O Nedovyesov | 6 | 6 | | | | | | | 6 | S Greul | 6 | 6 | | | | | |
| | A Golubev | 6 | 6 | | | | | | | | A Golubev | 4 | 4 | | | | | |
| Q | Marc Sieber | 3 | 3 | | | A Golubev | 6 | 7$^9$ | | | | | | | | | | |
| | M İlhan | 6$^6$ | 6 | 6 | | M İlhan | 4 | 6$^7$ | | | | | | | | | | |
| 2 | J-L Struff | 7$^8$ | 3 | 4 | | | | | | | | | | | | | | |