Stadium: Court 2 Round: 27 Ground: Clay
| ITF M15 Novomoskovsk | 2020/09/03 07:00 | Nikita Mashtakov v Eric Vanshelboim | 7-6,3-6,4-6 |
| ITF M15 Novomoskovsk | 2020/09/01 07:00 | Eric Vanshelboim v Khomich, Aleksei | 6-3,6-4 |
| Eastern European Championship | 2020/06/25 08:00 | Blaz Rola v Eric Vanshelboim | 6-3,6-1 |
| Eastern European Championship | 2020/06/24 12:00 | Eric Vanshelboim v Rajic, Dusan | 6-1,6-3 |
| Eastern European Championship | 2020/06/23 14:00 | Damir Dzumhur v Eric Vanshelboim | 6-1,6-0 |
| Eastern European Championship | 2020/06/17 13:20 | Miomir Kecmanovic v Eric Vanshelboim | 6-4,6-0 |
| Eastern European Championship | 2020/06/16 12:00 | Nikola Milojevic v Eric Vanshelboim | 6-2,6-0 |
| Eastern European Championship | 2020/06/15 12:00 | Eric Vanshelboim v Milan Drinic | 6-1,6-1 |
| ITF M15 Novomoskovsk | 2020/09/03 07:00 | Marek, Wojciech v Vladyslav Orlov | 1-6,6-2,6-3 |
| ITF M15 Novomoskovsk | 2020/09/02 07:00 | Arvid Nordquist v Marek, Wojciech | 6-4,3-6,0-6 |
| ITF M25 Poznan | 2020/08/27 12:25 | Marek, Wojciech v Manuel Guinard | 4-6,3-6 |
| ITF M25 Poznan | 2020/08/26 13:15 | Marek, Wojciech v Adrian Oetzbach | 0-6,6-4,6-3 |
| Vogau, Singles Qualifying M-ITF-AUT-04A | 2020/08/16 08:00 | Gonzalo Lama v Marek, Wojciech | 6-3,6-3 |
| Polish National Tour | 2020/07/17 14:55 | Marek, Wojciech v Kamil Majchrzak | 1-6,3-6 |
| Polish National Tour | 2020/07/16 11:00 | Marek, Wojciech v Wojcik, Yann | 6-4,7-6 |
| Polish National Tour | 2020/07/15 09:30 | Marek, Wojciech v Kwiatkowski, Adam | 6-2,6-1 |