| 2015 Garden Open | |
|---|---|
| Date | 4 – 9 May |
| Edition | 7th |
| Draw | 32S / 15D |
| Prize money | €42,500 |
| Surface | Clay |
| Location | Rome, Italy |
| Champions | |
| Singles | |
 Aljaž Bedene | |
| Doubles | |
 Dustin Brown /  František Čermák | |
The 2015 Garden Open was a professional tennis tournament played on clay courts. It was the seventh edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Rome, Italy between 4 and 9 May 2015.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| GBR | Aljaž Bedene | 91 | 1 |
| GER | Dustin Brown | 102 | 2 |
| CZE | Radek Štěpánek | 120 | 3 |
| GBR | Kyle Edmund | 130 | 4 |
 ITA | Marco Cecchinato | 150 | 5 |
 JPN | Taro Daniel | 164 | 6 |
 RUS | Konstantin Kravchuk | 167 | 7 |
 SWE | Elias Ymer | 171 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry as a special exempt to gain entry into the main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
| GER | Dustin Brown | CZE | František Čermák | 143 | 1 |
| GER | Gero Kretschmer | GER | Alexander Satschko | 201 | 2 |
 NED | Wesley Koolhof | NED | Matwé Middelkoop | 282 | 3 |
| CZE | Roman Jebavý |  UKR | Denys Molchanov | 323 | 4 |
The following pairs received wildcards into the doubles main draw:
Aljaž Bedene def. Adam Pavlásek 7−5, 6−2 Dustin Brown / František Čermák def. 
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