Stadium: Court 6 Round: 44 Ground: Clay
| ITF Kazakhstan F3 Qual | 2018/04/08 07:30 | Yerassyl Murat v Grigoriy Korobeynikov | 3-6,1-6 |
| ITF Spain F7 | 2018/03/19 08:00 | Francisco Vittar v Grigoriy Korobeynikov | 6-1,7-5 |
| ITF Spain F7 | 2018/03/16 12:00 | Kyle Lok Yin Tang v Grigoriy Korobeynikov | 1-6,4-6 |
| ITF Spain F6 Qual | 2018/03/10 12:00 | Grigoriy Korobeynikov v George Loffhagen | 1-6,3-6 |
| ITF Portugal F2 Qual | 2018/02/25 16:00 | Joffrey De Schepper v Grigoriy Korobeynikov | 6-1,6-1 |
| ITF Portugal F2 Qual | 2018/02/25 13:00 | Grigoriy Korobeynikov v Adrian Exposito | 2-6,7-5,6-1 |
| ITF Portugal F2 Qual | 2018/02/24 10:00 | Grigoriy Korobeynikov v Jesse Paul Krattiger | 6-1,6-3 |
| ITF Portugal F1 | 2018/02/17 12:30 | Grigoriy Korobeynikov v Diego Matos | 2-6,3-6 |
| ITF Russia F3 | 2018/03/12 07:00 | Sergey Betov v Vladislav Dubinsky | 7-6,6-7,6-3 |
| ITF Russia F3 | 2018/03/11 07:00 | Vladislav Dubinsky v Oleg Besednikov | 6-1,6-1 |
| ITF Russia F2 | 2018/03/04 07:00 | Petr Arkhipov v Vladislav Dubinsky | 6-4,6-2 |
| ITF Russia F2 | 2018/03/03 09:00 | Ivan Mikhaylyuk v Vladislav Dubinsky | 6-7,6-3,4-6 |
| ITF Kazakhstan F2 Qual | 2018/02/18 04:00 | Matej Sabanov v Vladislav Dubinsky | 6-3,3-6,6-1 |
| ITF Egypt F5 | 2018/02/10 08:00 | Vladislav Dubinsky v Tomas Liska | 1-6,6-1,2-6 |
| ITF Egypt F4 | 2018/02/08 09:15 | Vladislav Dubinsky v David Poljak | 1-6,3-6 |
| ITF Egypt F4 | 2018/02/07 09:35 | Nitin Gunduboina v Vladislav Dubinsky | 0-6,2-6 |