Stadium: Court 8 Round: 44 Ground: Hardcourt outdoor
| Challenger Istanbul | 2021/09/12 09:50 | Berk Ilkel v Alexander Shevchenko | 1-6,3-6 |
| ITF M15 Novi Sad | 2021/08/02 08:00 | Berk Ilkel v Milan Drinic | 2-6,1-6 |
| ITF M15 Novi Sad | 2021/07/25 12:00 | Aleksa Mardjonovic v Berk Ilkel | 6-2,7-5 |
| ITF M15 Monastir | 2021/06/27 09:00 | Berk Ilkel v Brandon Lam | 6-2,6-7,5-10 |
| ITF M15 Monastir | 2021/06/20 08:00 | Takashi Saito v Berk Ilkel | 6-2,6-3 |
| ITF M15 Monastir | 2021/06/13 10:00 | Berk Ilkel v Aidan Mayo | 4-6,6-2,5-10 |
| ITF M15 Monastir | 2021/05/20 11:25 | Gustavo Heide v Berk Ilkel | 7-5,6-4 |
| ITF M15 Monastir | 2021/05/19 08:30 | Berk Ilkel v Tomas Farjat | 7-5,7-6 |
| ITF M15 Antalya | 2021/06/13 07:30 | Egor Matvievici v Enes Donmezer | 6-3,6-2 |
| ITF M15 Antalya | 2021/06/06 07:30 | Suleyman Deniz Gursoy v Enes Donmezer | 7-6,6-1 |
| ITF M15 Antalya | 2021/05/30 07:30 | Enes Donmezer v Francisco Llanes | 2-6,2-6 |
| ITF M15 Antalya | 2021/05/23 07:30 | Enes Donmezer v Bastien Presuhn | 6-3,1-6,3-10 |
| ITF M15 Antalya | 2021/05/02 06:00 | Mattia Rossi v Enes Donmezer | 6-7,6-3,11-9 |
| ITF M15 Antalya | 2021/04/11 07:00 | Enes Donmezer v Andrea Borroni | 1-6,1-6 |
| ITF M15 Antalya | 2021/02/14 12:00 | Petr Nouza v Enes Donmezer | 6-2,6-3 |
| ITF M15 Antalya | 2021/02/07 06:00 | Enes Donmezer v Osmancan Soyler | 5-7,7-5,9-11 |