Ground: Hardcourt outdoor
| Turkey F6, Singles Qualifying | 2015/02/09 08:00 | Dmitriev, Kirill v Sieber, Marc | 2-6,6-7 |
| Turkey F6, Singles Qualifying | 2015/02/08 08:00 | Tagashira, Kento v Sieber, Marc | 1-6,1-6 |
| Turkey F6, Singles Qualifying | 2015/02/07 07:00 | Hirschmueller, Christian v Sieber, Marc | 4-6,0-6 |
| ITF Turkey F38 | 2014/11/02 10:00 | Sieber, Marc v Mohamed Safwat | 5-7,6-3,4-6 |
| ITF Turkey F38 | 2014/11/01 09:45 | Sieber, Marc v Federico Gaio | 6-2,5-7,6-2 |
| ITF Turkey F38 | 2014/10/31 08:30 | Krstin, Pedja v Sieber, Marc | 7-6,4-6,4-6 |
| ITF Turkey F38 | 2014/10/30 08:00 | Sieber, Marc v Paul Woerner | 6-1,6-3 |
| ITF Turkey F38 | 2014/10/29 09:25 | Sieber, Marc v Simon, Tobias | 6-4,6-3 |
| ITF Turkey F39 | 2014/12/16 11:50 | Dima, Dragos v Tsivadze, George | 7-6,6-4 |
| ITF Turkey F39 | 2014/12/14 11:45 | Dima, Dragos v Crepaldi, Erik | 1-6,4-6 |
| ITF Turkey F39 | 2014/12/14 07:00 | Dima, Dragos v Podzus, Janis | 6-4,5-7,6-1 |
| ITF Turkey F40 | 2014/11/13 08:00 | Dima, Dragos v Maximilian Marterer | 2-6,5-7 |
| ITF Turkey F40 | 2014/11/11 09:10 | Dima, Dragos v Matic, Nico | 6-0,6-7,6-2 |
| ITF Romania F13 | 2014/08/26 09:05 | Leonardi, Filippo v Dima, Dragos | 6-3,6-3 |
| ITF Romania F12 | 2014/08/23 10:15 | Dima, Dragos v Stefano Napolitano | 4-6,4-6 |
| ITF Romania F12 | 2014/08/22 09:50 | Frederico Ferreira Silva v Dima, Dragos | 7-5,1-6,5-7 |