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