Ground: Clay
| 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 M15 Tsaghkadzor Qual | 2025/06/01 11:30 | Filippo Alberti v Semen Batin | 6-4,6-2 |
| ITF M15 Tsaghkadzor | 2025/05/29 09:32 | Filippo Alberti v Lorenzo Bocchi | 6-4,6-7,2-6 |
| ITF M15 Tsaghkadzor | 2025/05/27 06:00 | Filippo Alberti v Roman Kharlamov | 6-2,6-3 |
| ITF M15 Tsaghkadzor | 2025/05/26 07:30 | Filippo Alberti v Massimo Pizzigoni | 3-6,6-1,1-0 |
| ITF M15 Tsaghkadzor Qual | 2025/05/25 11:00 | Filippo Alberti v Semen Batin | 6-4,6-2 |
| ITF M15 Tehran | 2025/05/13 06:30 | Filippo Alberti v Denis Vishenchuk Vishenko | 6-2,6-3 |
| ITF M15 Tehran | 2025/05/12 08:00 | Filippo Alberti v Mohammad Khoshkholgh | 6-3,6-0 |
| ITF M15 Tehran | 2025/05/07 05:30 | Filippo Alberti v Matteo Covato | 6-4,6-7,5-7 |