Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Antalya | 2021/05/03 07:00 | Andrey Chepelev v Buvaysar Gadamauri | 5-7,6-7 |
| ITF M15 Antalya | 2021/05/02 06:00 | Andrey Chepelev v Riccardo Di Nocera | 6-4,6-2 |
| ITF M15 Antalya | 2021/04/27 09:00 | Andrey Chepelev v Matias P D L Gomila | 1-6,6-7 |
| ITF M15 Antalya | 2021/04/26 07:00 | Andrey Chepelev v Matthew Dellavedova | 6-1,6-2 |
| ITF M15 Antalya | 2021/04/25 07:00 | Andrey Chepelev v Dominique Graf | 7-6,5-7,10-8 |
| ITF M15 Shymkent | 2021/04/17 05:25 | Andrey Chepelev v Eric Vanshelboim | 6-4,6-7,5-7 |
| ITF M15 Shymkent | 2021/04/16 07:30 | Andrey Chepelev v Nikita Mashtakov | 3-6,6-1,6-4 |
| ITF M15 Shymkent | 2021/04/15 03:55 | Federico Bertuccioli v Andrey Chepelev | 5-7,4-6 |
| ITF M15 St Petersburg | 2021/04/16 09:30 | Yanki Erel v Sarp Agabigun | 6-4,6-1 |
| ITF M15 St Petersburg | 2021/04/15 10:25 | Sarp Agabigun v Konstantin Kravchuk | 5-7,6-2,6-3 |
| ITF M15 St Petersburg | 2021/04/13 09:00 | Timur Kiyamov v Sarp Agabigun | 6-7,4-6 |
| ITF M15 St Petersburg | 2021/04/12 07:00 | Sarp Agabigun v Dominik Recek | 6-4,6-2 |
| ITF M15 St Petersburg Qual | 2021/04/11 09:20 | Sarp Agabigun v Mert Alkaya | 6-4,6-3 |
| 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 |