| ITF Greece F8 | 2018/11/11 08:00 | Leon Hoeveler v Ivan Kalinin | 6-4,6-7,6-4 |
| ITF Kazakhstan F8 | 2018/09/23 06:20 | Max Houkes v Ivan Kalinin | 6-1,6-2 |
| ITF Kazakhstan F8 | 2018/09/22 04:00 | Ivan Kalinin v Luka Markovic | 6-2,6-4 |
| ITF Russia F7 | 2018/08/19 07:00 | Vladimir Korolev v Ivan Kalinin | 6-0,6-3 |
| ITF Russia F7 | 2018/08/18 09:30 | Ivan Kalinin v Maksim Malyshev | 6-3,6-4 |
| ITF Russia F6 | 2018/08/11 07:00 | Alexey Aleshchev v Ivan Kalinin | 3-6,7-6,6-4 |
| ITF Russia F5 Qual | 2018/08/05 10:30 | Evgeny Tyurnev v Ivan Kalinin | 6-4,6-2 |
| ITF Russia F4 Qual | 2018/07/29 07:00 | Andrey Vorobyev v Ivan Kalinin | 6-7,6-4,6-4 |