# 2013 Poznań Open – Singles

Jerzy Janowicz was the defending champion, but he did not participate that year.
Andreas Haider-Maurer won the title, defeating Damir Džumhur in the final, 4–6, 6–1, 7–5.

## Seeds

* Andreas Haider-Maurer (champion)
* Guillaume Rufin (first round)
* João Sousa (quarterfinals)
* Pablo Carreño Busta (semifinals)
* Stéphane Robert (semifinals)
* Jesse Huta Galung (first round)
* Simon Greul (second round)
* Peter Gojowczyk (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 | Final |
| 1 | Andreas Haider-Maurer | 6 | 6 | | | | | | |
| 4 | Pablo Carreño Busta | 2 | 2 | | | | | | |
| 4 | Pablo Carreño Busta | 2 | 2 | | 1 | Andreas Haider-Maurer | 4 | 6 | 7 |
| | | | | | | Damir Džumhur | 6 | 1 | 5 |
| 5 | Stéphane Robert | 7$^7$ | 6$^1$ | 3 | | Damir Džumhur | 6 | 1 | 5 |
| | Damir Džumhur | 6$^3$ | 7$^7$ | 6 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | A Haider-Maurer | 6 | 6 | | | | | | | | | | | | | | |
| | A Veić | 3 | 3 | | 1 | A Haider-Maurer | 6 | 6 | | | | | | | | | |
| Q | T Monteiro | 5 | 6 | 6 | Q | T Monteiro | 2 | 3 | | | | | | | | | |
| WC | Piotr Gadomski | 7 | 4 | 3 | | | | | 1 | A Haider-Maurer | 6 | 5 | 7$^7$ | | | | |
| WC | K Majchrzak | 4 | 6 | 2 | | | | | | H Laaksonen | 3 | 7 | 6$^2$ | | | | |
| | H Laaksonen | 6 | 2 | 6 | | H Laaksonen | 6 | 7$^7$ | | | | | | | | | |
| | L Kirche | 4 | 4 | | 7 | S Greul | 1 | 6$^4$ | | | | | | | | | |
| 7 | S Greul | 6 | 6 | | | | | | | | | | | 1 | A Haider-Maurer | 6 | 6 |
| 4 | P Carreño Busta | 2 | 6 | 6 | | | | | | | | | | 4 | P Carreño Busta | 2 | 2 |
| Q | F Krajinović | 6 | 4 | 4 | 4 | P Carreño Busta | 7 | 6 | | | | | | | | | |
| | G Clezar | 7 | 6 | | | G Clezar | 5 | 1 | | | | | | | | | |
| | N Gomboš | 5 | 4 | | | | | | 4 | P Carreño Busta | 3 | 6 | 7$^7$ | | | | |
| Q | A Kapaś | 3 | 7 | 6$^8$ | | | | | | R Carballés Baena | 6 | 0 | 6$^5$ | | | | |
| | J Eysseric | 6 | 5 | 7$^{10}$ | | J Eysseric | 4 | 3 | | | | | | | | | |
| | R Carballés Baena | 6 | 6 | | | R Carballés Baena | 6 | 6 | | | | | | | | | |
| 6 | J Huta Galung | 4 | 1 | | | | | | | | | | | | | | |

### Bottom half

| 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 | Semifinals |
| 5 | S Robert | 6 | 7$^7$ | | | | | | | | | | | | | | | |
| | J Kovalík | 1 | 6$^2$ | 5 | S Robert | 7$^7$ | 7$^7$ | | | | | | | | | | | |
| | J Mertl | 6 | 7 | | J Mertl | 6$^4$ | 6$^1$ | | | | | | | | | | | |
| WC | Wojciech Lutkowski | 2 | 5 | | | | | | 5 | S Robert | 6$^4$ | 6 | 6 | | | | | |
| PR | A Beck | 4 | 6$^5$ | | | | | | 3 | J Sousa | 7$^7$ | 2 | 4 | | | | | |
| | B Westerhof | 6 | 7$^7$ | | B Westerhof | 3 | 1 | | | | | | | | | | | |
| | R Albot | 1 | 2 | 3 | J Sousa | 6 | 6 | | | | | | | | | | | |
| 3 | J Sousa | 6 | 6 | | | | | | | | | | | 5 | S Robert | 7$^7$ | 6$^1$ | 3 |
| 8 | P Gojowczyk | 6 | 6 | | | | | | | | | | | | D Džumhur | 6$^3$ | 7$^7$ | 6 |
| Q | D Smethurst | 4 | 2 | 8 | P Gojowczyk | 3 | 7 | 3 | | | | | | | | | | |
| WC | G Panfil | 6 | 6 | WC | G Panfil | 6 | 5 | 6 | | | | | | | | | | |
| | G Melzer | 2 | 1 | | | | | | WC | G Panfil | 4 | 4 | | | | | | |
| | B Phau | 6 | 6 | | | | | | | D Džumhur | 6 | 6 | | | | | | |
| | N Renavand | 2 | 4 | | B Phau | 2 | 1 | | | | | | | | | | | |
| | D Džumhur | 7$^7$ | 6 | | D Džumhur | 6 | 6 | | | | | | | | | | | |
| 2 | G Rufin | 6$^5$ | 3 | | | | | | | | | | | | | | | |