| ITF M15 Novomoskovsk | 2021/05/28 07:15 | Felix Gill v Nikita Mashtakov | 7-5,6-7,6-4 |
| ITF M25 Bol | 2025/05/22 08:00 | Laurent Lokoli v Nikita Mashtakov | 3-6,6-1,6-3 |
| ITF M25 Bol | 2025/05/21 08:00 | Lazar Vojinovic v Nikita Mashtakov | 3-6,5-7 |
| Challenger Zagreb | 2025/05/11 08:00 | Nikita Mashtakov v Neil Oberleitner | 4-6,6-7 |
| ITF M25 Kursumlijska Banja | 2025/05/08 09:00 | Nikita Mashtakov v Robin Bertrand | 6-2,4-6,3-6 |
| ITF M25 Kursumlijska Banja | 2025/05/07 09:30 | Lucca Helguera Casado v Nikita Mashtakov | 2-6,1-6 |
| ITF M15 Kursumlijska Banja | 2025/05/02 10:02 | Branko Djuric v Nikita Mashtakov | 7-6,6-0 |
| ITF M15 Kursumlijska Banja | 2025/05/01 09:28 | Nikita Mashtakov v Leo Borg | 6-4,6-0 |
| ITF M15 Kursumlijska Banja | 2025/04/23 09:55 | Nikita Mashtakov v Pepijn Bastiaansen | 7-6,3-6,4-6 |
| ITF M25 Cervia | 2025/05/22 12:22 | Felix Gill v Gabriele Piraino | 3-6,3-6 |
| ITF M25 Cervia | 2025/05/21 10:00 | Felix Gill v Alexandr Binda | 6-4,6-2 |
| ITF M25 Cervia | 2025/05/18 16:00 | Felix Gill v Jacopo Antonelli | 7-5,6-2 |
| ITF M25 Reggio Emilia | 2025/05/16 15:00 | Felix Gill v Alex Molcan | 3-6,4-6 |
| ITF M25 Reggio Emilia | 2025/05/15 17:31 | Felix Gill v Michele Ribecai | 6-3,6-3 |
| ITF M25 Reggio Emilia | 2025/05/13 15:00 | Martin Klizan v Felix Gill | 6-3,6-7,1-6 |
| ITF M25 Santa Margherita | 2025/05/08 08:00 | Felix Gill v Ivan Gakhov | 1-6,6-3,3-6 |
| ITF M25 Santa Margherita | 2025/05/07 09:30 | Felix Gill v Francesco Forti | 7-5,6-2 |