Round: 44 Ground: Hardcourt outdoor
| ITF Kazakhstan F7 | 2018/09/17 05:05 | Beresnev, Stepan v Bardzin, A. | 6-3,4-6,3-6 |
| ITF Kazakhstan F7 | 2018/09/16 09:40 | Noskin, Egor v Beresnev, Stepan | 4-6,4-6 |
| ITF Kazakhstan F7 | 2018/09/15 10:20 | Zharkov, Artem v Beresnev, Stepan | 2-6,0-6 |
| Russia F8, Singles Qualifying | 2018/08/25 10:00 | Beresnev, Stepan v Desyatnik, Anton | 2-6,5-7 |
| ITF Russia F7 | 2018/08/18 07:00 | Korolev, Vladimir v Beresnev, Stepan | 0-6,6-2,6-0 |
| ITF Russia F6 | 2018/08/11 10:00 | Bzarov, Alan v Beresnev, Stepan | 7-5,7-6 |
| ITF Russia F5 Qual | 2018/08/05 09:30 | Beresnev, Stepan v Alexey Nesterov | 1-6,0-6 |
| ITF Georgia F2 | 2018/07/15 10:00 | Alekseenko, Vadim v Beresnev, Stepan | 6-2,6-3 |
| ITF Kazakhstan F7 | 2018/09/16 06:10 | Max Houkes v Korobeynikov, Grigoriy | 6-3,6-1 |
| ITF Kazakhstan F7 | 2018/09/15 05:00 | Korobeynikov, Grigoriy v Broekhof, Nick | 6-3,7-5 |
| ITF Spain F21 Qual | 2018/07/29 07:00 | Grace, Samy v Korobeynikov, Grigoriy | 6-3,6-0 |
| ITF Spain F20 Qual | 2018/07/21 11:00 | Korobeynikov, Grigoriy v Souto, David | 3-6,2-6 |
| ITF Spain F19 Qual | 2018/07/14 07:30 | Sergi Perez Contri v Korobeynikov, Grigoriy | 6-2,1-6,6-2 |
| Challenger Fergana Qual | 2018/06/16 10:20 | Korobeynikov, Grigoriy v Tung-Lin Wu | 2-6,1-6 |
| ITF Uzbekistan F4 | 2018/06/05 09:05 | Korobeynikov, Grigoriy v Fayziev, Sanjar | 2-6,2-6 |
| ITF Uzbekistan F4 Qual | 2018/06/04 13:25 | Sapaev, Batyr v Korobeynikov, Grigoriy | 4-6,3-6 |