Round: 25 Ground: Clay
| ITF Austria F6 | 2015/07/25 12:30 | Dominic Weidinger v Philip Bachmaier | 6-1,6-2 |
| ITF Turkey F43 | 2015/10/30 07:30 | Yannik Reuter v Nik Razborsek | 6-3,7-5 |
| ITF Turkey F43 | 2015/10/29 09:50 | David Szintai v Nik Razborsek | 6-3,4-6,6-7 |
| ITF Turkey F43 | 2015/10/27 09:10 | Ergi Kirkin v Nik Razborsek | 2-6,1-6 |
| ITF Turkey F42 | 2015/10/23 13:15 | Nik Razborsek v Vit Kopriva | 2-6,0-6 |
| ITF Turkey F42 | 2015/10/23 09:30 | Nik Razborsek v Victor Poncelet | 6-2,6-1 |
| Davis Cup | 2015/07/17 09:00 | Dudi Sela v Nik Razborsek | 6-1,6-3,6-2 |
| ITF Italy F16 | 2015/07/03 11:30 | Pietro Licciardi v Nik Razborsek | 3-6,4-6 |
| ITF Italy F16 | 2015/07/02 13:00 | Nik Razborsek v Alessandro Petrone | 6-3,4-6,6-4 |