Stadium: Court 4 Round: 25 Ground: Clay
| ITF M15 Antalya | 2021/04/28 10:00 | Jacopo Berrettini v Koray Kirci | 6-2,6-0 |
| ITF M15 Antalya | 2021/04/27 07:00 | Michalis Sakellaridis v Koray Kirci | 1-6,3-6 |
| ITF M15 Antalya | 2021/04/26 09:00 | Louroi Martinez v Koray Kirci | 6-7,3-6 |
| ITF M15 Antalya | 2021/04/25 07:00 | Mirko Lagasio v Koray Kirci | 2-6,6-7 |
| ITF M15 Antalya | 2021/04/20 08:30 | Koray Kirci v Christopher Heyman | 1-6,1-6 |
| ITF M15 Antalya | 2021/03/30 06:45 | Koray Kirci v Seong Chan Hong | 1-6,1-6 |
| ITF M15 Antalya | 2021/03/24 07:30 | Georgii Kravchenko v Koray Kirci | 6-3,3-6,6-3 |
| ITF M15 Antalya | 2021/03/18 08:45 | Nicholas David Ionel v Koray Kirci | 6-0,6-1 |
| ITF M15 Bucharest | 2021/05/26 07:00 | Uladzimir Ignatik v Ilya Snitari | 6-2,6-7,6-4 |
| UTR Pro Tennis Series Bucharest | 2021/05/22 12:30 | Ilya Snitari v Colin Sinclair | 6-4,6-7,6-7 |
| UTR Pro Tennis Series Bucharest | 2021/05/21 17:30 | Ilya Snitari v Calin Manda | 3-6,6-2,6-3 |
| UTR Pro Tennis Series Bucharest | 2021/05/19 08:30 | Ilya Snitari v Bogdan Ionut Apostol | 6-3,2-6,5-2 |
| UTR Pro Tennis Series Bucharest | 2021/05/18 08:30 | Ilya Snitari v Jules Marie | 6-3,6-4 |
| UTR Pro Tennis Series Bucharest | 2021/05/17 12:00 | Stefan Palosi v Ilya Snitari | 6-4,5-4 |
| ITF M15 Valldoreix | 2021/05/09 14:00 | Ilya Snitari v Benjamin Winter Lopez | 6-7,6-3,3-10 |
| UTR Pro Tennis Series Barcelona | 2021/05/02 10:00 | Ilya Snitari v Fermin Calvo Barcelo | 7-6,6-4 |