Stadium: Court 9 Round: 14 Ground: Hardcourt indoor
| Challenger Rome | 2019/05/06 10:00 | Skander Mansouri v Johannes Haerteis | 6-7,7-6,5-7 |
| ITF M15 Sarajevo | 2021/06/04 09:00 | Skander Mansouri v Matheus Pucinelli De Almeida | 3-6,6-3,2-6 |
| 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 Oeiras | 2021/05/25 14:00 | Johannes Haerteis v Filip Cristian Jianu | 3-6,0-6 |
| Challenger Ortisei | 2020/11/19 10:00 | Johannes Haerteis v Ilya Ivashka | 6-7,3-6 |
| Challenger Ortisei | 2020/11/17 09:00 | Daniel Masur v Johannes Haerteis | 3-6,7-6,3-6 |
| Challenger Ortisei | 2020/11/15 10:00 | Alexey Vatutin v Johannes Haerteis | 3-6,6-3,3-6 |
| Challenger Ortisei | 2020/11/14 09:00 | Johannes Haerteis v Viktor Galovic | 4-6,7-6,6-4 |
| Challenger Bratislava | 2020/11/08 11:00 | Johannes Haerteis v Julian Lenz | 7-6,4-6,6-7 |
| Challenger Eckental | 2020/11/04 12:55 | Sebastian Korda v Johannes Haerteis | 6-2,1-6,6-1 |
| Challenger Eckental | 2020/11/02 18:40 | Yannick Maden v Johannes Haerteis | 2-6,6-4,3-6 |