Stadium: Court 7 Round: 25 Ground: Clay
| Challenger Sibiu | 2021/09/27 07:00 | Oleg Prihodko v Yan Bondarevskiy | 6-7,4-6 |
| Challenger Sibiu | 2021/09/26 07:30 | Yan Bondarevskiy v David Poljak | 7-5,3-6,6-3 |
| ITF M15 Vyshkovo | 2021/09/21 07:00 | Yan Bondarevskiy v Tommaso Compagnucci | 2-6,7-6,5-7 |
| 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 |
| Challenger Bucharest | 2021/09/20 08:00 | Vlad Andrei Dancu v Matteo Arnaldi | 2-6,2-6 |
| Challenger Bucharest | 2021/09/19 10:00 | Julian Ocleppo v Vlad Andrei Dancu | 7-6,4-6,2-6 |
| ITF M15 Chornomorsk | 2021/08/31 08:35 | Vlad Andrei Dancu v Oleg Prihodko | 3-6,1-6 |
| ITF M25 Bacau | 2021/08/18 07:00 | Vlad Andrei Dancu v Matias Zukas | 6-7,0-6 |
| ITF M25 Bacau | 2021/08/17 08:45 | Vlad Andrei Dancu v Vladimir Filip | 6-2,6-2 |
| ITF M15 Curtea de Arges | 2021/08/12 11:20 | Facundo Juarez v Vlad Andrei Dancu | 7-5,6-4 |
| ITF M15 Curtea de Arges | 2021/08/11 08:45 | Vlad Andrei Dancu v Mariano Navone | 6-4,6-4 |
| ITF M15 Curtea de Arges | 2021/08/10 07:00 | Bogdan Ionut Apostol v Vlad Andrei Dancu | 3-6,4-6 |