Stadium: Court 2 Round: 54 Ground: Hardcourt indoor
| ITF M15 St Petersburg | 2021/04/09 08:00 | Ivan Nedelko v Sarp Agabigun | 6-1,6-4 |
| ITF M15 St Petersburg | 2021/04/08 10:45 | Sarp Agabigun v Alexey Zakharov | 6-2,6-4 |
| ITF M15 St Petersburg | 2021/04/07 11:15 | Sarp Agabigun v Aleksei Abazov | 6-0,6-0 |
| ITF M15 St Petersburg | 2021/04/05 06:55 | Sarp Agabigun v Igor Trunov | 6-0,6-2 |
| ITF M15 St Petersburg | 2021/04/04 09:50 | Sarp Agabigun v Klim Kozyrev | 6-3,6-0 |
| ITF M15 Antalya | 2021/03/16 07:00 | Sarp Agabigun v Edoardo Lavagno | 4-6,7-5,8-10 |
| ITF M15 Antalya | 2021/03/15 08:30 | Sarp Agabigun v Vladislav Gorbatenko | 6-1,6-4 |
| ITF M15 Antalya | 2021/03/14 07:00 | Sarp Agabigun v Carlo Alberto Fossati | 7-5,6-4 |
| ITF M15 St Petersburg | 2021/04/04 08:25 | Yanki Erel v Mert Alkaya | 6-1,7-5 |
| ITF M15 Antalya | 2021/03/07 07:00 | Nicolae Frunza v Mert Alkaya | 6-4,6-0 |
| ITF M15 Antalya | 2021/02/16 07:00 | Sidane Pontjodikromo v Mert Alkaya | 6-3,6-0 |
| ITF M15 Antalya | 2021/01/20 11:15 | Mert Alkaya v Facundo Juarez | 5-7,3-6 |
| ITF M15 Antalya | 2021/01/12 09:00 | Felix Corwin v Mert Alkaya | 6-4,6-4 |
| ITF M15 Antalya | 2020/12/07 07:00 | Mert Alkaya v Timur Kiyamov | 7-5,0-6,2-10 |
| ITF M15 Antalya | 2020/12/06 07:00 | Mert Alkaya v Gianluca Coloma-Heck | 2-6,6-2,10-4 |
| ITF M15 Antalya | 2020/12/02 07:00 | Filip Misolic v Mert Alkaya | 6-4,5-7,7-5 |