# 2015 Poznań Open – Singles

David Goffin was the defending champion, but he participated in Davis Cup instead this year.
Pablo Carreño Busta won the title, defeating Radu Albot in the final, 6–4, 6–4.

## Seeds

* Pablo Carreño Busta (champion)
* João Souza (first round)
* Lucas Pouille (semifinals)
* Radu Albot (final)
* Daniel Muñoz de la Nava (first round)
* Matthias Bachinger (second round)
* Taro Daniel (second round)
* Albert Montañés (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 | Semifinals | Final | Final | Final | Final |
| 1 | Pablo Carreño Busta | 6 | 7$^7$ | | | | | |
| 3 | Lucas Pouille | 2 | 6$^4$ | | | | | |
| 3 | Lucas Pouille | 2 | 6$^4$ | | 1 | Pablo Carreño Busta | 6 | 6 |
| | | | | | 4 | Radu Albot | 4 | 4 |
| 4 | Radu Albot | 6 | 1 | 6 | 4 | Radu Albot | 4 | 4 |
| | Adam Pavlásek | 0 | 6 | 3 | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | P Carreño Busta | 6 | 6 | | | | | | | | | | | | | | |
| | G Panfil | 4 | 1 | | 1 | P Carreño Busta | 6 | 6$^4$ | 6 | | | | | | | | |
| Q | A Smirnov | 4 | 6 | 2 | | M Bourgue | 2 | 7$^7$ | 1 | | | | | | | | |
| | M Bourgue | 6 | 3 | 6 | | | | | | 1 | P Carreño Busta | 7 | 6 | | | | |
| | J Šátral | 6 | 6 | | | | | | | | J Šátral | 5 | 4 | | | | |
| LL | Michal Konečný | 4 | 4 | | | J Šátral | 7$^7$ | 6 | | | | | | | | | |
| Q | A Michon | 6 | 6 | | Q | A Michon | 6$^5$ | 2 | | | | | | | | | |
| 8 | A Montañés | 2 | 0 | | | | | | | | | | | 1 | P Carreño Busta | 6 | 7$^7$ |
| 3 | L Pouille | 6 | 7 | | | | | | | | | | | 3 | L Pouille | 2 | 6$^4$ |
| | T Kamke | 0 | 5 | | 3 | L Pouille | 6 | 3 | 6 | | | | | | | | |
| | F Škugor | 6 | 7$^7$ | | | F Škugor | 3 | 6 | 4 | | | | | | | | |
| | A Kudryavtsev | 3 | 6$^0$ | | | | | | | 3 | L Pouille | 6 | 6 | | | | |
| | A Ghem | 6 | 6 | | | | | | | | A Ghem | 4 | 3 | | | | |
| WC | H Hurkacz | 2 | 1 | | | A Ghem | 2 | 6 | 6 | | | | | | | | |
| WC | A Kapaś | 1 | 2 | | 7 | T Daniel | 6 | 2 | 4 | | | | | | | | |
| 7 | T Daniel | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | D Muñoz de la Nava | 3 | 6 | 3 | | | | | | | | | | | | | | | |
| | P Krstin | 6 | 1 | 6 | | P Krstin | 7$^7$ | 2 | 7 | | | | | | | | | | |
| WC | Michał Dembek | 7 | 0 | 3 | | J Kubler | 6$^5$ | 6 | 5 | | | | | | | | | | |
| | J Kubler | 5 | 6 | 6 | | | | | | | P Krstin | 6 | 6$^{10}$ | 6$^2$ | | | | | |
| Q | M Dubarenco | 5 | 6 | 6 | | | | | | 4 | R Albot | 3 | 7$^{12}$ | 7$^7$ | | | | | |
| WC | VV Cornea | 7 | 2 | 3 | Q | M Dubarenco | 3 | 4 | | | | | | | | | | | |
| | Í Cervantes | 2 | 6 | 3 | 4 | R Albot | 6 | 6 | | | | | | | | | | | |
| 4 | R Albot | 6 | 4 | 6 | | | | | | | | | | | 4 | R Albot | 6 | 1 | 6 |
| 6 | M Bachinger | 6 | 0 | 6 | | | | | | | | | | | | A Pavlásek | 0 | 6 | 3 |
| Q | R Dutra Silva | 4 | 6 | 4 | 6 | M Bachinger | 2 | 7$^8$ | 4 | | | | | | | | | | |
| | I Klec | 2 | 2 | | PR | P Riba | 6 | 6$^6$ | 6 | | | | | | | | | | |
| PR | P Riba | 6 | 6 | | | | | | | PR | P Riba | 6 | 4 | 2 | | | | | |
| | T Lamasine | 6$^4$ | 3 | | | | | | | | A Pavlásek | 2 | 6 | 6 | | | | | |
| | A Pavlásek | 7$^7$ | 6 | | | A Pavlásek | 7 | 6 | | | | | | | | | | | |
| | E Ymer | 7$^7$ | 6 | | | E Ymer | 5 | 4 | | | | | | | | | | | |
| 2 | J Souza | 6$^4$ | 4 | | | | | | | | | | | | | | | | |