Stadium: Court 4 Round: 44 Ground: Clay
| 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 | 2021/03/07 07:00 | Cengiz Aksu v Benedikt Henning | 5-7,3-6 |
| ITF M15 Antalya | 2021/03/03 07:00 | Cengiz Aksu v Dragos Nicolae Madaras | 4-6,1-6 |
| ITF M15 Antalya | 2021/02/23 06:30 | Aaron Cohen v Cengiz Aksu | 6-3,6-4 |
| ITF M15 Antalya | 2021/02/22 07:00 | Sven Corbinais v Cengiz Aksu | 1-6,4-6 |
| ITF M15 Sibenik | 2021/05/17 13:15 | Yan Sabanin v Geronimo Marcolini | 6-1,7-6 |
| ITF M15 Cairo | 2021/04/19 08:00 | Geronimo Marcolini v Christian Didier Chin | 6-3,6-3 |
| ITF M15 Cairo | 2021/04/18 09:30 | Geronimo Marcolini v Benedikt Emesz | 6-3,6-2 |
| ITF M15 Cairo | 2021/04/11 09:00 | Jorge Martinez Martinez v Geronimo Marcolini | 6-0,7-5 |
| ITF M15 Antalya | 2021/03/15 08:00 | Geronimo Marcolini v Edoardo Lavagno | 1-6,2-6 |
| ITF M15 Antalya | 2021/03/14 07:00 | Geronimo Marcolini v Credit Chaiyarin | 6-3,6-2 |
| ITF M15 La Nucia | 2021/03/09 08:00 | Jorge Martinez Martinez v Geronimo Marcolini | 6-1,6-1 |
| ITF M15 La Nucia | 2021/03/08 08:00 | Geronimo Marcolini v Victor Bini | 6-7,6-3,10-8 |