Stadium: TK PALILULA C1 Round: 26 Ground: Clay
| ITF - M15 Monastir | 2020/10/28 08:00 | Martinez, Mirko v Skander Mansouri | 3-6,4-6 |
| ITF M25 Belgrade | 2021/06/29 10:40 | Skander Mansouri v Veljko Krstic | 7-6,7-5 |
| Challenger - Prostejov | 2021/06/15 11:20 | Skander Mansouri v Kamke, Tobias | 0-6,6-3,2-6 |
| Challenger - Prostejov | 2021/06/14 10:15 | Jelle Sels v Skander Mansouri | 6-7,4-6 |
| Challenger - Prostejov | 2021/06/13 12:30 | Federico Zeballos v Skander Mansouri | 6-7,0-6 |
| Challenger - Bratislava | 2021/06/07 11:20 | Ignatik, Uladzimir v Skander Mansouri | 6-3,7-5 |
| Challenger - Bratislava | 2021/06/06 14:15 | Skander Mansouri v Haerteis, Johannes | 6-3,7-5 |
| Sarajevo, Singles Main, M-ITF-BIH-05A | 2021/06/04 09:00 | Skander Mansouri v Matheus P De Almeida | 3-6,6-3,2-6 |
| Sarajevo, Singles Main, M-ITF-BIH-05A | 2021/06/03 09:00 | Skander Mansouri v Kekez, Duje | 7-5,6-4 |
| ITF M25 Belgrade | 2021/06/30 14:05 | Lazar Milicevic v Martinez, Mirko | 5-7,7-5,2-6 |
| ITF M25 Belgrade | 2021/06/29 07:00 | Daniel Cukierman v Martinez, Mirko | 6-1,6-4 |
| ITF M25 Belgrade | 2021/06/28 07:00 | Pjevcevic, Petar v Martinez, Mirko | 2-6,2-6 |
| ITF M25 Belgrade | 2021/06/27 07:00 | Maxim Krapivin v Martinez, Mirko | 0-6,5-7 |
| ITF M25 Klosters | 2021/06/24 10:15 | Francesco Forti v Martinez, Mirko | 6-3,6-4 |
| ITF M25 Klosters | 2021/06/22 06:55 | Martinez, Mirko v Mika Brunold | 6-2,7-5 |
| ITF M15 Genova | 2021/06/15 08:55 | Martinez, Mirko v Leopold Zima | 5-7,4-6 |
| ITF M15 Genova | 2021/06/14 07:00 | Wishaya Trongcharoenchaikul v Martinez, Mirko | 4-6,3-6 |