Stadium: Court 1 Indoor Round: 44 Ground: Clay
| ITF M15 Brcko | 2021/05/18 07:00 | Stefan Micov v Andrej Nedic | 3-6,6-3,10-6 |
| ITF M15 Brcko | 2021/05/16 11:00 | Andrej Nedic v Joel Vincent Link | 6-7,6-4,10-4 |
| ITF M25 Kiseljak | 2021/05/25 10:20 | Nicolas Zanellato v Lilian Breut | 6-4,3-6,8-10 |
| ITF M25 Kiseljak | 2021/05/24 12:15 | Viktor Jovic v Nicolas Zanellato | 6-2,3-6,8-10 |
| ITF M15 Brcko | 2021/05/21 15:20 | Matheus P De Almeida v Nicolas Zanellato | 6-4,7-6 |
| ITF M15 Brcko | 2021/05/21 12:15 | Nicolas Zanellato v Mateja Janicijevic | 6-0,6-0 |
| ITF M15 Brcko | 2021/05/18 14:20 | Viktor Jovic v Nicolas Zanellato | 4-6,0-6 |
| ITF M15 Brcko | 2021/05/18 08:15 | Nicolas Zanellato v Lilian Breut | 6-4,6-4 |
| ITF M15 Brcko | 2021/05/16 09:30 | Milos Milakovic v Nicolas Zanellato | 0-6,0-6 |
| ITF M15 Prijedor | 2021/05/10 13:30 | Nicolas Zanellato v Tim Heger | 6-4,3-6,7-10 |