Stadium: Court 4 Round: 25 Ground: Clay
| ITF M15 Zlatibor | 2021/09/18 11:30 | Fabian Marozsan v Yan Bondarevskiy | 6-4,6-3 |
| ITF M15 Zlatibor | 2021/09/17 10:55 | Yan Bondarevskiy v Zsombor Velcz | 6-4,6-1 |
| ITF M15 Zlatibor | 2021/09/16 09:30 | Yan Bondarevskiy v Luigi Sorrentino | 6-2,6-2 |
| ITF M15 Zlatibor | 2021/09/15 08:00 | Yan Bondarevskiy v Kristof Minarik | 6-1,6-4 |
| Challenger Kyiv | 2021/09/05 09:30 | Vladyslav Orlov v Yan Bondarevskiy | 7-5,6-2 |
| ITF M15 Chornomorsk | 2021/09/04 07:00 | Illya Beloborodko v Yan Bondarevskiy | 3-6,6-4,6-3 |
| ITF M15 Chornomorsk | 2021/09/03 07:00 | Yan Bondarevskiy v Julius Tverijonas | 6-2,6-3 |
| ITF M15 Chornomorsk | 2021/09/02 08:30 | Yan Bondarevskiy v Filip Pieczonka | 6-2,6-2 |
| ITF M15 Sozopol | 2021/09/17 06:55 | Martin Krumich v Tommaso Compagnucci | 6-2,6-4 |
| ITF M15 Sozopol | 2021/09/16 10:05 | Tommaso Compagnucci v Petr Nesterov | 6-2,6-0 |
| ITF M15 Sozopol | 2021/09/15 10:00 | Tommaso Compagnucci v Mehdi Sadaoui | 6-3,6-1 |
| ITF M15 Sozopol | 2021/09/14 07:00 | Tommaso Compagnucci v Caspar Schuetze | 6-1,6-2 |
| ITF M15 Sozopol | 2021/09/13 10:30 | Tommaso Compagnucci v Ivan Penev | 6-2,6-3 |
| ITF M15 Chornomorsk | 2021/09/02 09:55 | Tommaso Compagnucci v Oleg Prihodko | 0-6,6-7 |
| ITF M15 Chornomorsk | 2021/09/01 10:10 | Grigoriy Lomakin v Tommaso Compagnucci | 6-7,6-4,2-6 |
| ITF M15 Lodz | 2021/08/19 10:00 | Tommaso Compagnucci v Gilbert S K Junior | 4-6,2-6 |