Stadium: Court 4 Round: 25 Ground: Clay
| 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 Cairo | 2021/05/08 09:00 | Matheus P De Almeida v Jose Fco. Vidal Azorin | 6-4,6-3 |
| ITF M15 Cairo | 2021/05/07 10:10 | Paul Jubb v Matheus P De Almeida | 2-6,0-6 |
| ITF M15 Cairo | 2021/05/06 08:00 | Juan Pablo Paz v Matheus P De Almeida | 3-6,6-4,1-6 |
| ITF M15 Cairo | 2021/05/05 08:00 | Rimpei Kawakami v Matheus P De Almeida | 1-6,3-6 |
| ITF M15 Cordoba | 2021/04/10 19:45 | Matheus P De Almeida v Gonzalo Lama | 5-7,6-7 |
| ITF M15 Brcko | 2021/05/18 12:00 | Lazar Milicevic v Dusan Rajic | 7-6,6-4 |
| ITF M15 Brcko | 2021/05/18 07:00 | Yann Wojcik v Lazar Milicevic | 4-6,4-6 |
| ITF M15 Prijedor | 2021/05/11 08:00 | Kristijan Juhas v Lazar Milicevic | 6-3,6-0 |
| ITF M15 Prijedor | 2021/05/10 09:15 | Dusan Rajic v Lazar Milicevic | 2-6,2-6 |
| ITF M15 Prijedor | 2021/05/09 09:30 | Lazar Milicevic v Stefan Micov | 6-1,6-2 |