Stadion: Court 4 Round: 26 Ground: Clay
| ITF - M15 - Brcko | 2021/05/21 09:25 | Matheus P De Almeida v Lazar Milicevic | 7-5,7-5 |
| ITF - M15 - Prijedor | 2021/05/14 13:45 | Matheus P De Almeida v Nerman Fatic | 6-2,4-6,4-6 |
| ITF - M15 - Prijedor | 2021/05/14 10:15 | Matheus P De Almeida v Bozo Barun | 6-1,6-1 |
| ITF - M15 - Prijedor | 2021/05/12 11:00 | Marko Tepavac v Matheus P De Almeida | 4-6,5-7 |
| ITF - M15 - Kairo | 2021/05/08 09:00 | Matheus P De Almeida v Jose Fco. Vidal Azorin | 6-4,6-3 |
| ITF - M15 - Kairo | 2021/05/07 10:10 | Paul Jubb v Matheus P De Almeida | 2-6,0-6 |
| ITF - M15 - Kairo | 2021/05/06 08:00 | Juan Pablo Paz v Matheus P De Almeida | 3-6,6-4,1-6 |
| ITF - M15 - Kairo | 2021/05/05 08:00 | Rimpei Kawakami v Matheus P De Almeida | 1-6,3-6 |
| 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 |
| ITF - M15 - Prijedor | 2021/05/09 12:30 | Nicolas Zanellato v Alexandar Balj | 6-1,6-4 |