| Singles | |
|---|---|
| 2015 Poznań Open | |
| Champion |  Pablo Carreño Busta |
| Runner-up |  Radu Albot |
| Score | 6–4, 6–4 |
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.
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)| Semifinals | Final | ||||||||||||
| 1 | Pablo Carreño Busta | 6 | 77 | ||||||||||
| 3 | Lucas Pouille | 2 | 64 | ||||||||||
| 1 | Pablo Carreño Busta | 6 | 6 | ||||||||||
| 4 | Radu Albot | 4 | 4 | ||||||||||
| 4 | Radu Albot | 6 | 1 | 6 | |||||||||
 Adam Pavlásek | 0 | 6 | 3 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | P Carreño Busta | 6 | 6 | ||||||||||||||||||||||||
 G Panfil | 4 | 1 | 1 | P Carreño Busta | 6 | 64 | 6 | ||||||||||||||||||||
| Q |  A Smirnov | 4 | 6 | 2 | M Bourgue | 2 | 77 | 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 | 77 | 6 | |||||||||||||||||||||
| Q | A Michon | 6 | 6 | Q | A Michon | 65 | 2 | ||||||||||||||||||||
| 8 | A Montañés | 2 | 0 | 1 | P Carreño Busta | 6 | 77 | ||||||||||||||||||||
| 3 | L Pouille | 6 | 7 | 3 | L Pouille | 2 | 64 | ||||||||||||||||||||
| T Kamke | 0 | 5 | 3 | L Pouille | 6 | 3 | 6 | ||||||||||||||||||||
 F Škugor | 6 | 77 | F Škugor | 3 | 6 | 4 | |||||||||||||||||||||
 A Kudryavtsev | 3 | 60 | 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 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | D Muñoz de la Nava | 3 | 6 | 3 | |||||||||||||||||||||||
 P Krstin | 6 | 1 | 6 | P Krstin | 77 | 2 | 7 | ||||||||||||||||||||
| WC | Michał Dembek | 7 | 0 | 3 |  J Kubler | 65 | 6 | 5 | |||||||||||||||||||
| J Kubler | 5 | 6 | 6 | P Krstin | 6 | 610 | 62 | ||||||||||||||||||||
| Q |  M Dubarenco | 5 | 6 | 6 | 4 | R Albot | 3 | 712 | 77 | ||||||||||||||||||
| 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 | 78 | 4 | ||||||||||||||||||
 I Klec | 2 | 2 | PR | P Riba | 6 | 66 | 6 | ||||||||||||||||||||
| PR | P Riba | 6 | 6 | PR | P Riba | 6 | 4 | 2 | |||||||||||||||||||
| T Lamasine | 64 | 3 | A Pavlásek | 2 | 6 | 6 | |||||||||||||||||||||
| A Pavlásek | 77 | 6 | A Pavlásek | 7 | 6 | ||||||||||||||||||||||
 E Ymer | 77 | 6 | E Ymer | 5 | 4 | ||||||||||||||||||||||
| 2 | J Souza | 64 | 4 | ||||||||||||||||||||||||
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