Ground: Clay
| ITF Turkey F29 | 2015/07/11 10:30 | Ergeneman, Gokberk v Galoppini, Davide | 3-6,1-6 |
| Turkey F17, Singles Qualifying | 2015/04/28 08:00 | Marsalek, James v Ergeneman, Gokberk | 6-1,6-1 |
| Turkey F16, Singles Qualifying | 2015/04/21 08:00 | Ergeneman, Gokberk v Nerman Fatic | 2-6,1-6 |
| Turkey F10, Singles Qualifying | 2015/03/09 08:00 | Apostol, Andrei Stefan v Ergeneman, Gokberk | 6-2,6-1 |
| ITF Turkey F9 | 2015/03/04 08:00 | Ergeneman, Gokberk v Kryvoy, Yuriy | 1-6,0-6 |
| ITF Turkey F3 | 2015/02/22 08:00 | Stebe, Cedrik-Marcel v Ergeneman, Gokberk | 6-3,6-2 |
| Turkey F6, Singles Qualifying | 2015/02/07 07:00 | Ergeneman, Gokberk v Kuerschner, Alexander | 1-6,0-6 |
| ITF Turkey F3 | 2015/01/20 08:00 | Ergeneman, Gokberk v Li, Zhe | 3-6,2-6 |
| ITF Turkey F31 | 2015/06/20 10:00 | Gorgun, Omer Berk v Sentay, Alp | 3-6,0-6 |
| ITF Turkey F24 Qual | 2015/06/13 10:00 | Gorgun, Omer Berk v Peter Bertran | 3-6,0-6 |
| ITF Turkey F23 Qual | 2015/06/06 07:30 | Dabryian, Artsiom v Gorgun, Omer Berk | 6-2,7-5 |
| ITF Turkey F19 Qual | 2015/05/09 07:00 | Gorgun, Omer Berk v Shchaya-Zubrov, Pavel | 2-6,3-6 |
| ITF Turkey F18 | 2015/05/03 08:00 | Antoine Bellier v Gorgun, Omer Berk | 6-0,6-0 |
| Turkey F17, Singles Qualifying | 2015/04/26 08:30 | Gorgun, Omer Berk v Chang, Jonathan | 1-6,6-7 |
| Turkey F17, Singles Qualifying | 2015/04/25 08:00 | Portmann, Kevin v Gorgun, Omer Berk | 3-6,3-6 |
| Turkey F16, Singles Qualifying | 2015/04/18 08:00 | Lucas Catarina v Gorgun, Omer Berk | 6-1,6-3 |