Stadium: Court 17 Round: 25 Ground: Clay
| ITF M15 Antalya | 2021/11/16 09:05 | Cengiz Aksu v Dragos Nicolae Madaras | 0-6,3-6 |
| ITF M15 Novomoskovsk | 2021/05/25 11:30 | Cengiz Aksu v Oleksandr Bielinskyi | 5-7,1-6 |
| ITF M15 Novomoskovsk | 2021/05/24 13:30 | Cengiz Aksu v Keenan Mayo | 6-4,6-2 |
| ITF M15 Novomoskovsk | 2021/05/23 10:30 | Cengiz Aksu v Geronimo Marcolini | 6-1,6-1 |
| ITF M15 Tbilisi | 2021/05/17 05:30 | Cengiz Aksu v Sergo Sikharulidze | 6-1,2-6,7-10 |
| ITF M15 Antalya | 2021/04/26 07:00 | Matias P D L Gomila v Cengiz Aksu | 6-4,6-4 |
| ITF M15 Antalya | 2021/04/14 07:00 | Cengiz Aksu v Gianmarco Ferrari | 0-6,2-6 |
| ITF M15 Antalya | 2021/04/06 08:00 | Edoardo Eremin v Cengiz Aksu | 7-6,6-3 |
| ITF M15 Antalya | 2021/11/29 08:00 | Richard Zusman v S Mert Ozdemir | 6-4,3-6,10-8 |
| ITF M15 Antalya | 2021/11/07 06:30 | S Mert Ozdemir v Anthony Genov | 1-6,2-6 |
| ITF M15 Antalya | 2021/10/31 07:00 | Jakub Katuch v S Mert Ozdemir | 6-4,6-1 |
| ITF M15 Sozopol | 2021/10/10 10:30 | Tommaso Compagnucci v S Mert Ozdemir | 6-2,7-5 |
| ITF M15 Sozopol | 2021/10/04 08:00 | S Mert Ozdemir v Plamen Milushev | 2-6,6-3,5-10 |
| ITF M15 Sozopol | 2021/10/03 09:00 | S Mert Ozdemir v Mert Ramadan | 5-7,6-4,10-6 |
| ITF M15 Antalya | 2021/06/28 06:30 | S Mert Ozdemir v Demetris Azoides | 5-7,5-7 |
| ITF M15 Antalya | 2021/06/27 06:30 | Onder Balci v S Mert Ozdemir | 1-6,0-6 |