| 2015 Sibiu Open | |
|---|---|
| Date | 21–27 September |
| Edition | 4th |
| Location | Sibiu, Romania |
| Champions | |
| Singles | |
 Adrian Ungur | |
| Doubles | |
| Victor Crivoi / Petru-Alexandru Luncanu | |
The 2015 Sibiu Open was a professional tennis tournament played on clay courts. It was the fourth edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Sibiu, Romania between 21 and 27 September 2015.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 SRB | Dušan Lajović | 102 | 1 |
 GER | Tobias Kamke | 172 | 2 |
| SRB | Laslo Djere | 177 | 3 |
 BEL | Germain Gigounon | 185 | 4 |
 ITA | Gianluca Naso | 187 | 5 |
 FRA | Calvin Hemery | 205 | 6 |
| FRA | Tristan Lamasine | 212 | 7 |
 CZE | Jan Mertl | 213 | 8 |
The following players received wildcards into the singles main draw:
Victor Vlad Cornea Victor Crivoi 
Michał Dembek Dragoș Dima The following players received entry from the qualifying draw:
Steven Diez 
Marc Giner Petru-Alexandru Luncanu Riccardo SinicropiThe following player received entry as a lucky loser:
Andrei Stefan Apostol Adrian Ungur def. Pere Riba, 6–4, 3–6, 7–5 Victor Crivoi / Petru-Alexandru Luncanu def. Ilija Bozoljac / Dušan Lajović, 6–4, 6–3The 2010 Palm Hills International Tennis Challenger was a professional tennis tournament played on red clay courts. It was part of the 2010 ATP Challenger Tour. It took place in Cairo, Egypt between May 3 and May 8, 2010. The event was absent from 2003 to 2009.
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