Stadium: Court 1 Round: 27 Ground: Clay
| ITF M15 Sarajevo | 2021/06/03 09:00 | Skander Mansouri v Duje Kekez | 7-5,6-4 |
| ITF M15 Sarajevo | 2021/06/02 09:00 | Skander Mansouri v Toby Martin | 6-4,6-2 |
| Challenger Salinas 2 | 2021/04/29 15:00 | Nicolas Mejia v Skander Mansouri | 3-6,6-3,6-2 |
| Challenger Salinas 2 | 2021/04/27 20:00 | Skander Mansouri v Joao Menezes | 6-7,6-4,7-6 |
| Challenger - Salinas | 2021/04/20 14:30 | Skander Mansouri v Mohamed Aziz Dougaz | 2-6,2-6 |
| Challenger Zadar | 2021/03/22 11:15 | Nikolas Sanchez Izquierdo v Skander Mansouri | 6-2,6-1 |
| Challenger Zadar | 2021/03/21 11:05 | Duje Kekez v Skander Mansouri | 6-7,4-6 |
| Challenger St. Petersburg | 2021/03/01 08:30 | Artem Dubrivnyy v Skander Mansouri | 4-6,7-6,6-0 |
| 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 Brčko | 2021/05/22 12:15 | Eric Vanshelboim v Matheus P De Almeida | 7-6,6-4 |