Stadion: Clay 4 Round: 25 Ground: Hardcourt outdoor
| ITF - Türkei F39 | 2017/10/17 07:15 | Mert Naci Turker v Koray Kirci | 1-6,5-7 |
| ITF - Türkei F29 | 2018/09/25 07:30 | Mert Naci Turker v Dejan Katic | 3-6,4-6 |
| Challenger - Istanbul | 2018/09/08 12:00 | Mert Naci Turker v Tak Khunn Wang | 4-6,1-6 |
| ITF - Weißrussland F3 | 2018/08/21 07:00 | Mert Naci Turker v Yan Bondarevskiy | 4-6,4-6 |
| ITF - Weißrussland F3 | 2018/08/20 10:55 | Mert Naci Turker v Martin Beran | 7-5,4-6,6-4 |
| ITF - Weißrussland F3 | 2018/08/19 07:00 | Mert Naci Turker v Zura Tkemaladze | 6-2,7-5 |
| ITF - Weißrussland F2 | 2018/08/14 07:00 | Mert Naci Turker v Ivan Liutarevich | 6-2,6-7,1-6 |
| ITF - Weißrussland F2 | 2018/08/12 09:35 | Mert Naci Turker v Nazar Achour | 6-3,6-4 |
| ITF - Weißrussland F2 | 2018/08/11 11:30 | Mert Naci Turker v Maxim Tybar | 7-5,6-4 |
| ITF - Türkei F29 | 2018/09/25 09:05 | Claudio Fortuna v Koray Kirci | 6-4,6-3 |
| ITF - Türkei F28 | 2018/09/19 09:50 | Koray Kirci v Mathieu Perchicot | 3-6,2-6 |
| Challenger - Istanbul | 2018/09/08 07:00 | Francesco Vilardo v Koray Kirci | 6-4,6-2 |
| ITF - Weißrussland F3 | 2018/08/22 11:00 | Koray Kirci v Sarp Agabigun | 7-6,3-6,2-6 |
| ITF - Weißrussland F3 | 2018/08/20 08:30 | Alon Elia v Koray Kirci | 3-6,1-6 |
| ITF - Weißrussland F2 | 2018/08/15 07:00 | David Poljak v Koray Kirci | 7-6,4-6,6-2 |
| ITF - Weißrussland F2 | 2018/08/14 07:00 | George Tsivadze v Koray Kirci | 4-6,4-6 |
| ITF - Weißrussland F1 | 2018/08/08 09:00 | Koray Kirci v Igor Smilansky | 4-6,3-6 |