Stadium: Court 2 Round: 26 Ground: Clay
| ITF M15 Antalya | 2019/05/01 08:40 | Denis Klok v Koray Kirci | 7-5,6-3 |
| ITF M15 Antalya | 2021/12/09 07:30 | Bogdan Borza v Koray Kirci | 5-7,6-4,10-12 |
| Challenger Antalya | 2021/11/29 07:00 | Koray Kirci v Vladyslav Orlov | 3-6,6-7 |
| ITF M15 Antalya | 2021/11/02 08:30 | Koray Kirci v Berk Bugarikj | 4-6,4-6 |
| ITF M15 Antalya | 2021/10/31 07:00 | Koray Kirci v Doruk Turknas | 6-0,6-1 |
| 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 M15 Antalya | 2021/12/09 08:10 | Mikhail Fufygin v Denis Klok | 4-6,3-6 |
| ITF M15 Nules | 2021/11/16 12:15 | Denis Klok v Carlos Sanchez Jover | 4-6,1-6 |
| ITF M15 Antalya | 2021/11/03 13:05 | Mircea-Alexandru Jecan v Denis Klok | 6-2,6-1 |
| ITF M15 Antalya | 2021/10/27 11:35 | Marlon Vankan v Denis Klok | 6-0,6-0 |
| ITF M15 Antalya | 2021/10/18 12:45 | Denis Klok v Radovan Michalik | 1-6,0-6 |
| ITF M15 Antalya | 2021/10/17 07:00 | Denis Klok v Sven Corbinais | 6-4,6-4 |
| ITF M15 Antalya | 2021/10/12 07:00 | Lukas Palovic v Denis Klok | 4-6,6-0,6-3 |
| ITF M25 Skopje | 2021/09/28 11:15 | Denis Klok v Andrey Chepelev | 2-6,1-6 |