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