Stadium: Court 15 Round: 26 Ground: Clay
| ITF Russia F4 | 2018/07/31 08:50 | Ponomarenko, Ivan v Valentsev, Nikita | 7-5,4-6,7-5 |
| ITF Russia F4 Qual | 2018/07/30 07:00 | Ponomarenko, Ivan v Kravchenko, Pavel | 7-6,7-6 |
| ITF Ukraine F1 | 2018/05/08 08:50 | Yatsik, Yahor v Ponomarenko, Ivan | 6-2,3-6,7-6 |
| ITF Russia F3 | 2018/03/11 09:00 | Minin, Matvey v Ponomarenko, Ivan | 6-4,3-6,6-0 |
| ITF Russia F2 | 2018/03/04 07:00 | Galiev, Bulat v Ponomarenko, Ivan | 6-1,6-3 |
| ITF Russia F2 | 2018/03/03 07:00 | Beresnev, Stepan v Ponomarenko, Ivan | 7-5,4-6,1-6 |
| ITF Russia F1 | 2018/02/26 10:00 | Ponomarenko, Ivan v Muzaev, Richard | 2-6,7-6,3-6 |
| ITF Russia F1 | 2018/02/25 08:30 | Betov, Sergey v Ponomarenko, Ivan | 6-3,6-3 |
| ITF Russia F4 | 2018/07/30 09:50 | Bolotov, Sergey v Igoshin, Alexander | 3-6,3-6 |
| 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 |