| Date: | 11 – 19 July |
| Edition: | 12th |
| Draw: | 32S/32Q/16D |
| Prize Money: | €64,000+H |
| Surface: | Clay |
| Location: | Poznań, Poland |
| Venue: | Park Tenisowy Olimpia |
| Champs: |  Pablo Carreño Busta |
| Champd: |  Michail Elgin /  Mateusz Kowalczyk |
The 2015 Poznań Open was a professional tennis tournament played on clay courts. It was the twelfth edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place at the Park Tenisowy Olimpia in Poznań, Poland from 11 to 19 July 2015, including the qualifying competition in the first two days. The tournament had its prize money increased to €64,000 + Hospitality, and thus offered 100 ATP ranking points for singles and doubles winners.[1]
| Country | Player | Rank | Seed | |
|---|---|---|---|---|
| Spain | Pablo Carreño Busta | 67 | 1 | |
 Brazil | João Souza | 81 | 2 | |
 France | Lucas Pouille | 96 | 3 | |
 Moldova, Republic of | Radu Albot | 108 | 4 | |
| Spain | Daniel Muñoz de la Nava | 109 | 5 | |
| Matthias Bachinger | 110 | 6 | ||
 Japan | 125 | 7 | ||
| Spain | Albert Montañés | 126 | 8 |
The following players received wildcards into the singles main draw:
Andriej Kapaś Hubert Hurkacz Michał DembekThe following players received entry as a special exempt:
The following players received entry from the qualifying draw:
The following player received entry as an lucky loser into the singles main draw:
Michal Konečný Grzegorz Panfil Aslan Karatsev →replaced by Jan Šátral| Country | Player | Country | Player | Rank | Seed | |
|---|---|---|---|---|---|---|
| Russian Federation | Michail Elgin | Poland | Mateusz Kowalczyk | 214 | 1 | |
 Argentina | Guillermo Durán |  Peru | Sergio Galdós | 229 | 2 | |
| Poland | Tomasz Bednarek | Alexander Satschko | 298 | 3 | ||
| Julio Peralta | Matt Seeberger | 387 | 4 |
The following pairs received wildcards into the doubles main draw:
Victor Vlad Cornea / Karol Drzewiecki Michał Dembek / Viktor Kostin Hubert Hurkacz / Jan ZielińskiThe following pair received entry from the qualifying draw:
Michal Konečný / Petr MichnevSee main article: 2015 Poznań Open – Singles.
Pablo Carreño Busta def. Radu Albot, 6–4, 6–4See main article: 2015 Poznań Open – Doubles.
Michail Elgin / Mateusz Kowalczyk def. Julio Peralta / 
Matt Seeberger, 3–6, 6–3, [10–6]
