Stadium: Court 3 Round: 25 Ground: Clay
| ITF Poland F7 | 2018/08/13 08:00 | Nikita Mashtakov v Lukas Mugevicius | 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 | Guillermo Duran 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 | Vladyslav Manafov 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 | Jeroen Vanneste v Nikita Mashtakov | 7-6,4-6,6-3 |
| ITF Poland F8 | 2018/08/20 08:00 | Nikita Mashtakov v Michal Wargocki | 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 | Lukas Mugevicius v Nikola Slavic | 6-2,6-2 |
| ITF Kazakhstan F7 | 2018/09/19 05:55 | Lukas Mugevicius v Shalva Dzhanashia | 3-6,5-7 |
| ITF Kazakhstan F7 | 2018/09/18 09:30 | Artsiom Bardzin v Lukas Mugevicius | 0-6,1-6 |
| ITF Kazakhstan F7 | 2018/09/17 04:40 | Aliaksandr Prudnikau v Lukas Mugevicius | 2-6,3-6 |
| ITF Kazakhstan F7 | 2018/09/16 09:55 | Lukas Mugevicius v Maikel Borg | 6-1,7-5 |
| ITF Kazakhstan F7 | 2018/09/15 08:55 | Mark Tryakshin v Lukas Mugevicius | 3-6,3-6 |
| ITF Kazakhstan F6 | 2018/09/11 08:25 | Lukas Mugevicius v Roman Khassanov | 5-7,1-6 |
| ITF Tunisia F30 | 2018/09/05 09:00 | Lukas Mugevicius v Hugo Pontico | 2-6,4-6 |