Stadium: Court 3 Round: 25 Ground: Clay
| ITF Poland F7 | 2018/08/13 08:00 | Nikita Mashtakov v Mugevicius, Lukas | 6-1,4-6,6-1 |
| ITF Lebanon F1 | 2018/09/25 13:00 | Nikita Mashtakov v Karim-Mohamed Maamoun | 7-5,1-6,0-6 |
| Challenger Szczecin | 2018/09/08 12:15 | Duran, Guillermo v Nikita Mashtakov | 7-5,5-7,7-6 |
| ITF Ukraine F4 | 2018/08/30 10:45 | Nikita Mashtakov v Oleksii Krutykh | 6-7,6-4,0-6 |
| ITF Ukraine F4 | 2018/08/29 12:05 | Manafov, Vladyslav v Nikita Mashtakov | 4-6,5-7 |
| ITF Ukraine F4 | 2018/08/28 07:00 | Nikita Mashtakov v Grigoriy Lomakin | 6-3,6-0 |
| ITF Poland F8 | 2018/08/21 11:05 | Vanneste, Jeroen v Nikita Mashtakov | 7-6,4-6,6-3 |
| ITF Poland F8 | 2018/08/20 08:00 | Nikita Mashtakov v Wargocki, Michal | 6-1,7-6 |
| ITF Poland F8 | 2018/08/19 11:00 | Nikita Mashtakov v Arvid Nordquist | 7-5,7-6 |
| ITF Estonia F2 | 2018/10/28 09:00 | Mugevicius, Lukas v Slavic, Nikola | 6-2,6-2 |
| ITF Kazakhstan F7 | 2018/09/19 05:55 | Mugevicius, Lukas v Dzhanashia, Shalva | 3-6,5-7 |
| ITF Kazakhstan F7 | 2018/09/18 09:30 | Bardzin, A. v Mugevicius, Lukas | 0-6,1-6 |
| ITF Kazakhstan F7 | 2018/09/17 04:40 | Prudnikau, Aliaksandr v Mugevicius, Lukas | 2-6,3-6 |
| ITF Kazakhstan F7 | 2018/09/16 09:55 | Mugevicius, Lukas v Borg, Maikel | 6-1,7-5 |
| ITF Kazakhstan F7 | 2018/09/15 08:55 | Tryakshin, Mark v Mugevicius, Lukas | 3-6,3-6 |
| Kazakhstan F6, Singles | 2018/09/11 08:25 | Mugevicius, Lukas v Khassanov, Roman | 5-7,1-6 |
| ITF Tunisia F30 | 2018/09/05 09:00 | Mugevicius, Lukas v Pontico, Hugo | 2-6,4-6 |