Stadion: Court 1 Round: 28 Ground: Clay
| ITF - M15 - Sarajevo | 2021/06/04 09:00 | Skander Mansouri v Matheus P De Almeida | 3-6,6-3,2-6 |
| ITF - M15 - Sarajevo | 2021/06/03 09:00 | Gilbert S K Junior v Matheus P De Almeida | 6-4,3-6,3-6 |
| ITF - M15 - Sarajevo | 2021/06/02 10:50 | Bozo Barun v Matheus P De Almeida | 3-6,2-6 |
| ITF - M25 - Kiseljak | 2021/05/30 12:30 | Matheus P De Almeida v Francesco Forti | 6-4,2-6,6-4 |
| ITF - M25 - Kiseljak | 2021/05/29 10:00 | Matheus P De Almeida v Aldin Setkic | 6-4,6-2 |
| ITF - M25 - Kiseljak | 2021/05/28 12:00 | Jelle Sels v Matheus P De Almeida | 6-7,3-6 |
| ITF - M25 - Kiseljak | 2021/05/27 10:30 | Tim Heger v Matheus P De Almeida | 3-6,3-6 |
| ITF - M25 - Kiseljak | 2021/05/26 12:30 | Matheus P De Almeida v Elmar Ejupovic | 6-2,6-2 |
| ITF - M15 - Sarajevo | 2021/06/04 09:00 | Federico Iannaccone v Gergely Madarasz | 5-7,4-6 |
| ITF - M15 - Sarajevo | 2021/06/03 09:00 | Gergely Madarasz v Mathieu Perchicot | 6-0,6-3 |
| ITF - M15 - Sarajevo | 2021/06/02 11:25 | Gergely Madarasz v Mirko Martinez | 6-2,7-6 |
| ITF - M15 - Prijedor | 2021/05/14 08:15 | Kristijan Juhas v Gergely Madarasz | 4-6,6-7 |
| ITF - M15 - Prijedor | 2021/05/11 11:55 | Gergely Madarasz v Artem Dubrivnyy | 7-6,7-6 |
| ITF - M15 - Sibenik | 2021/04/23 09:45 | Aldin Setkic v Gergely Madarasz | 6-3,6-1 |
| ITF - M15 - Sibenik | 2021/04/22 07:55 | Alen Rogic-Hadzalic v Gergely Madarasz | 1-6,3-6 |
| ITF - M15 - Sibenik | 2021/04/21 12:05 | Gergely Madarasz v Yannick Mertens | 6-4,5-7,6-3 |