Stadium: Court 5 Round: 44 Ground: Clay
| ITF Poland F6 | 2018/08/09 10:00 | Walkow, Szymon v Nikita Mashtakov | 2-6,6-3,6-2 |
| ITF Georgia F2 | 2018/07/19 06:00 | Slobodchikov, Ronald v Nikita Mashtakov | 7-5,4-6,6-0 |
| ITF Georgia F2 | 2018/07/18 08:30 | Milan Drinic v Nikita Mashtakov | 5-7,3-6 |
| ITF Georgia F2 | 2018/07/16 08:00 | Bzarov, Alan v Nikita Mashtakov | 4-6,6-7 |
| ITF Georgia F2 | 2018/07/14 07:30 | Gorgun, Omer Berk v Nikita Mashtakov | 0-6,4-6 |
| ITF Georgia F1 | 2018/07/09 10:00 | Alexey Zakharov v Nikita Mashtakov | 7-5,3-6,6-4 |
| ITF Georgia F1 | 2018/07/09 06:00 | Zura Tkemaladze v Nikita Mashtakov | 6-7,0-6 |
| ITF Georgia F1 | 2018/07/08 07:00 | Nazaruk, Dominik v Nikita Mashtakov | 3-6,0-6 |
| ITF Poland F7 | 2018/08/11 08:00 | Turnquest, Jody v Mugevicius, Lukas | 6-4,0-6,0-6 |
| ITF Poland F6 Qual | 2018/08/05 09:30 | Mugevicius, Lukas v Hellfritsch, Lucas | 6-4,1-6,0-6 |
| ITF Poland F6 Qual | 2018/08/04 08:00 | Zawisza, Pawel v Mugevicius, Lukas | 3-6,1-6 |
| ITF Finland F1 Qual | 2018/07/28 11:00 | Bachmaier, Philip v Mugevicius, Lukas | 7-6,6-1 |
| Challenger Ostrava Qual | 2017/04/29 10:10 | Mertl, Jan v Mugevicius, Lukas | 6-3,6-1 |
| Coupe Davis | 2017/04/09 09:35 | Tsivadze, George v Mugevicius, Lukas | 4-6,2-6,6-1,4-6 |
| ITF Turkey F11 | 2017/03/23 08:50 | Ribeiro Marcondes, Igor v Mugevicius, Lukas | 6-2,6-0 |
| ITF Turkey F11 | 2017/03/22 08:40 | Yuksel, Anil v Mugevicius, Lukas | 6-7,3-6 |