Stadium: Court 14 Round: 25 Ground: Clay
| ITF Georgia F2 | 2018/07/14 11:00 | Bolotov, Sergey v Iordache, Sorin Andrei | 7-6,6-7,6-7 |
| ITF Georgia F1 | 2018/07/08 07:00 | Bolotov, Sergey v Kacper Zuk | 1-6,4-6 |
| ITF Turkey F20 Qual | 2018/05/19 07:30 | Borsan, Doru Junior v Bolotov, Sergey | 3-6,6-4,6-4 |
| ITF Turkey F19 Qual | 2018/05/13 07:30 | Bolotov, Sergey v Bottino, Edoardo | 6-7,5-7 |
| ITF Turkey F19 Qual | 2018/05/12 07:30 | Bolotov, Sergey v Tiainen, Hermanni | 6-4,6-4 |
| ITF Kazakhstan F5 Qual | 2018/04/23 06:10 | Shubladze, Vazha v Bolotov, Sergey | 6-3,6-1 |
| ITF Kazakhstan F5 Qual | 2018/04/22 07:50 | Bolotov, Sergey v Maslov, Maksim | 6-2,6-2 |
| ITF Kazakhstan F5 Qual | 2018/04/21 06:55 | Tasenkov, Vladislav v Bolotov, Sergey | 1-6,6-4,3-6 |
| ITF Germany F6 | 2018/07/03 14:40 | Igoshin, Alexander v Alex Knaff | 6-7,3-6 |
| ITF Germany F5 | 2018/06/27 11:35 | Igoshin, Alexander v Gabriel Donev | 2-6,2-6 |
| ITF Belgium F1 | 2018/06/21 09:00 | Igoshin, Alexander v Yann Marti | 2-6,1-6 |
| ITF Bulgaria F1 | 2018/05/17 11:50 | Dimitrov, Martin v Igoshin, Alexander | 3-6,4-6 |
| ITF Bulgaria F1 | 2018/05/15 07:00 | Keisidis, Christos v Igoshin, Alexander | 4-6,6-1,1-6 |
| ITF Egypt F17 | 2018/05/09 09:25 | Igoshin, Alexander v Krivokuca, Neven | 4-6,6-4,3-6 |
| ITF Egypt F16 | 2018/05/04 09:00 | Igoshin, Alexander v Jordan Correia Passos Do Carmo | 3-6,6-7 |
| ITF Egypt F16 | 2018/05/03 07:30 | Igoshin, Alexander v Broville, Maxence | 5-7,6-2,6-4 |