Stadium: Court 3 Round: 27 Ground: Clay
| ITF - M15 Doboj | 2021/07/15 08:00 | Thirouin, Jean v Luka Pavlovic | 6-3,7-6 |
| ITF - M15 Doboj | 2021/07/14 12:05 | Thirouin, Jean v Danijal Muminovic | 6-4,6-2 |
| UTR Pro Tennis Series Beograd | 2021/07/11 08:30 | Kolisnyk, Olexiy v Thirouin, Jean | 7-6,3-6,3-5 |
| UTR Pro Tennis Series Beograd | 2021/07/10 11:30 | Alex Kuperstein v Thirouin, Jean | 4-6,3-6 |
| UTR Pro Tennis Series Beograd | 2021/07/08 10:30 | Thirouin, Jean v Viktor Jovic | 6-2,6-4 |
| UTR Pro Tennis Series Beograd | 2021/07/07 12:00 | Thirouin, Jean v Aleksa Mardjonovic | 6-4,6-2 |
| UTR Pro Tennis Series Beograd | 2021/07/06 07:30 | Thirouin, Jean v Shyla, Yaraslau | 1-6,1-5 |
| UTR Pro Tennis Series Beograd | 2021/07/05 09:00 | Thirouin, Jean v Latinovic, Stefan | 6-3,7-6 |
| ITF - M15 Doboj | 2021/07/15 08:00 | Dusan Obradovic v Oleksandr Ovcharenko | 2-6,6-4,6-4 |
| ITF - M15 Doboj | 2021/07/14 13:10 | Dusan Obradovic v Domagoj Biljesko | 7-5,6-2 |
| ITF - M15 Doboj | 2021/07/13 08:00 | Dusan Obradovic v Drazen Petrovic | 6-4,6-4 |
| ITF - M15 Doboj | 2021/07/11 12:30 | Rajic, Dusan v Dusan Obradovic | 4-6,3-6 |
| UTR Pro Tennis Series Beograd | 2021/07/10 07:00 | Shyla, Yaraslau v Dusan Obradovic | 1-6,6-2,6-4 |
| UTR Pro Tennis Series Beograd | 2021/07/09 07:30 | Dusan Obradovic v Michalis Sakellaridis | 6-4,5-4 |
| UTR Pro Tennis Series Beograd | 2021/07/07 10:30 | Dusan Obradovic v Kolisnyk, Olexiy | 6-0,5-4 |
| UTR Pro Tennis Series Beograd | 2021/07/06 12:00 | Dusan Obradovic v de La Bassetiere, Constant | 6-1,3-6,5-2 |