Stadium: Court 3 Round: 62 Ground: Clay
| ITF M15 - Antalya | 2021/10/27 12:25 | Koray Kirci v Rrezart Cungu | 2-6,6-1,1-6 |
| ITF M15 - Antalya | 2021/10/26 07:00 | Koray Kirci v Antonin Bolardt | 6-3,6-2 |
| ITF M15 - Antalya | 2021/10/25 09:00 | Koray Kirci v Amer Naow | 6-3,6-3 |
| ITF M15 - Antalya | 2021/10/24 07:00 | Koray Kirci v Kevin Portmann | 6-1,6-1 |
| ITF M25 Skopje | 2021/09/29 07:30 | Luigi Sorrentino v Koray Kirci | 6-2,6-2 |
| Challenger Istanbul | 2021/09/14 07:50 | Marc Polmans v Koray Kirci | 6-3,6-2 |
| ITF M15 Čornomorsk | 2021/08/31 07:00 | Koray Kirci v Ilya Snitari | 1-6,5-7 |
| ITF M15 Novi Sad | 2021/08/03 08:00 | Koray Kirci v Lukas Palovic | 6-3,4-6,7-10 |
| ITF M15 - Antalya | 2021/10/24 07:00 | Doruk Turknas v Aziz Dadabaev | 4-6,3-6 |
| ITF M15 - Antalya | 2021/10/17 07:00 | Doruk Turknas v Mohamed Ali Abibsi | 1-6,3-6 |
| ITF M15 - Antalya | 2021/10/10 07:00 | Sven Corbinais v Doruk Turknas | 6-0,7-5 |
| ITF M15 - Antalya | 2021/06/13 07:30 | Pawel Juszczak v Doruk Turknas | 6-2,6-2 |
| ITF M15 - Antalya | 2021/05/16 07:00 | Doruk Turknas v Yaraslav Shyla | 1-6,1-6 |
| ITF M15 - Antalya | 2021/03/14 07:00 | Doruk Turknas v Vladislav Gorbatenko | 1-6,1-6 |
| ITF M15 - Antalya | 2021/02/28 11:00 | Caspar Schuetze v Doruk Turknas | 6-3,6-4 |
| ITF M15 - Antalya | 2021/01/31 10:00 | Max Houkes v Doruk Turknas | 6-0,6-1 |