Stadium: Court 3 Round: 25 Ground: Clay
| ITF M15 Novomoskovsk | 2021/05/25 11:30 | Cengiz Aksu v Bielinskyi, Oleksandr | 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 Marcolini, Geronimo | 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 | Eremin, Edoardo v Cengiz Aksu | 7-6,6-3 |
| ITF - M15 Antalya | 2021/03/07 07:00 | Cengiz Aksu v Benedikt Henning | 5-7,3-6 |
| ITF - M15 Monastir | 2021/07/13 12:00 | Cengiz, Baran v Moez Echargui | 0-6,2-6 |
| ITF - M15 Antalya | 2021/06/14 09:40 | Scott, Fletcher v Cengiz, Baran | 6-3,1-6,10-8 |
| ITF - M15 Antalya | 2021/06/13 07:30 | Makzume, Togan v Cengiz, Baran | 0-6,3-6 |
| ITF - M15 Antalya | 2021/05/12 08:55 | Cengiz, Baran v Alafia Ayeni | 6-3,4-6,2-6 |
| ITF - M15 Antalya | 2021/03/25 07:00 | Luca Tomasetto v Cengiz, Baran | 6-3,6-2 |
| ITF - M15 Antalya | 2021/03/10 11:55 | Zukas, Matias v Cengiz, Baran | 6-3,6-1 |
| ITF - M15 Antalya | 2021/03/09 07:00 | Benedikt Henning v Cengiz, Baran | 2-6,4-6 |
| ITF - M15 Antalya | 2021/03/08 10:00 | Nicolas Parizzia v Cengiz, Baran | 3-6,2-6 |