Round: 26 Ground: Clay
| ITF Georgia F2 | 2018/07/17 09:00 | Ronald Slobodchikov v Timur Kiyamov | 6-3,6-3 |
| Challenger Perugia Qual | 2018/07/08 14:45 | Ronald Slobodchikov v Gonzalo Escobar | 4-6,6-3,2-6 |
| Challenger Marburg Qual | 2018/07/02 10:00 | Ronald Slobodchikov v Elliot Benchetrit | 3-6,5-7 |
| Challenger Marburg Qual | 2018/07/01 10:25 | Goncalo Oliveira v Ronald Slobodchikov | 1-6,3-6 |
| Challenger Marburg Qual | 2018/06/30 13:20 | Ronald Slobodchikov v Jan Šátral | 7-6,6-3 |
| ITF Tunisia F24 | 2018/06/22 10:40 | Ronald Slobodchikov v Mohamed Aziz Dougaz | 7-5,3-6,7-5 |
| ITF Tunisia F24 | 2018/06/21 12:50 | Ronald Slobodchikov v Robertas Vrzesinski | 6-0,6-3 |
| ITF Tunisia F24 | 2018/06/19 12:50 | Ronald Slobodchikov v Lucas Poullain | 6-1,4-6,6-2 |
| 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 | Alan Bzarov v Nikita Mashtakov | 4-6,6-7 |
| ITF Georgia F2 | 2018/07/14 07:30 | Omer Berk Gorgun 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 | Dominik Nazaruk v Nikita Mashtakov | 3-6,0-6 |
| ITF Belgium F3 | 2018/07/05 15:35 | Christopher Heyman v Nikita Mashtakov | 6-3,6-2 |
| ITF Belgium F3 | 2018/07/04 08:00 | Loic Cloes v Nikita Mashtakov | 4-6,6-0,4-6 |