Stadion: Court 2 Round: 27 Ground: Hardcourt outdoor
| ITF - M15 - Sozopol | 2019/05/07 14:00 | Oleksii Krutykh v Nikita Mashtakov | 4-6,4-6 |
| ITF - M15 - Tbilisi | 2019/05/01 07:55 | Nikita Mashtakov v John Echeverria | 4-6,4-6 |
| ITF - M15 - Madrid | 2019/04/15 09:30 | Nikita Mashtakov v Joffrey De Schepper | 3-6,3-6 |
| ITF M15 Reus | 2019/04/10 10:25 | Eduard Esteve Lobato v Nikita Mashtakov | 6-3,6-1 |
| ITF M15 Reus | 2019/04/08 08:30 | Nikita Mashtakov v Arnau Santillana | 6-0,6-0 |
| ITF - M15 - Opatija | 2019/03/27 14:25 | Nikita Mashtakov v Markus Eriksson | 6-3,3-6,3-6 |
| ITF - M15 - Opatija | 2019/03/26 10:50 | Nikita Mashtakov v Isa Mammetgulyyev | 6-4,6-2 |
| ITF - M15 - Opatija | 2019/03/25 11:45 | Nikita Mashtakov v Goran Radanovic | 6-2,6-3 |
| ITF - M15 - Sozopol | 2019/05/09 09:40 | Alexander Donski v Alexander Lazov | 6-2,6-2 |
| ITF - M15 - Sozopol | 2019/05/08 12:40 | Alexander Donski v Leonid Sheyngezikht | 7-5,6-3 |
| ITF - M15 - Tabarka | 2019/04/25 12:30 | Erik Crepaldi v Alexander Donski | 4-6,7-5,6-4 |
| ITF - M15 - Tabarka | 2019/04/24 08:30 | Alexander Donski v Samuel Brosset | 6-2,6-4 |
| ITF - M15 - Tabarka | 2019/04/17 12:55 | Alexander Donski v Hugo Pontico | 3-6,6-3,2-6 |
| ITF - M15 - Tabarka | 2019/04/15 13:45 | Jakob Johansson-Holm v Alexander Donski | 5-7,3-6 |
| ITF - M15 - Tabarka | 2019/04/15 08:00 | Michael Weindl v Alexander Donski | 4-6,7-6,10-12 |
| ITF - M15 - Tabarka | 2019/04/10 14:30 | Nik Razborsek v Alexander Donski | 6-3,7-6 |