Stadium: Court 4 Round: 25 Ground: Clay
| Challenger Kiiev | 2021/09/05 09:30 | Vladyslav Orlov v Yan Bondarevskiy | 7-5,6-2 |
| ITF M15 Tšornomorsk | 2021/09/04 07:00 | Illya Beloborodko v Yan Bondarevskiy | 3-6,6-4,6-3 |
| ITF M15 Tšornomorsk | 2021/09/03 07:00 | Yan Bondarevskiy v Julius Tverijonas | 6-2,6-3 |
| ITF M15 Tšornomorsk | 2021/09/02 08:30 | Yan Bondarevskiy v Filip Pieczonka | 6-2,6-2 |
| ITF M15 Tšornomorsk | 2021/09/01 07:00 | Yan Bondarevskiy v Ainius Sabaliauskas | 7-5,6-2 |
| Challenger Barletta | 2021/08/23 09:00 | Nicolas Alvarez v Yan Bondarevskiy | 6-2,3-6,7-6 |
| Challenger Barletta | 2021/08/22 12:45 | Yan Bondarevskiy v Gijs Brouwer | 6-3,6-4 |
| ITF M15 Telavi | 2021/08/07 06:30 | Oleg Prihodko v Yan Bondarevskiy | 7-6,6-3 |
| ITF M15 Zlatibor | 2021/09/14 08:00 | Michal Novansky v Kristof Minarik | 5-7,2-6 |
| ITF M15 Zlatibor | 2021/09/13 08:00 | Kristijan Juhas v Kristof Minarik | 2-6,6-2,5-10 |
| ITF M15 Zlatibor | 2021/09/12 07:30 | Martin Zeljenka v Kristof Minarik | 2-6,2-6 |
| ITF M15 Žilina | 2021/09/01 09:55 | Kristof Minarik v Constantin Bittoun Kouzmine | 4-6,2-6 |
| ITF M15 Žilina | 2021/08/31 07:30 | Kristof Minarik v Radovan Michalik | 6-2,6-2 |
| ITF M15 Bratislava | 2021/08/24 08:00 | Kristof Minarik v Obrad Markovski | 7-6,3-6,3-10 |
| ITF M15 Bratislava | 2021/08/23 09:00 | Kristof Minarik v Simon Sedliak | 6-2,6-0 |
| ITF M15 Doboj | 2021/07/14 08:30 | Gergely Madarasz v Kristof Minarik | 7-6,7-6 |