Stadium: Court 8 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Sozopol | 2021/10/07 09:30 | Ilya Snitari v Ben Patael | 6-3,6-2 |
| ITF M15 Sozopol | 2021/10/06 09:00 | Matic Dimic v Ben Patael | 2-6,3-6 |
| ITF M15 Castelo Branco | 2021/07/28 10:15 | Ben Patael v Francisco Cabral | 6-7,6-7 |
| ITF M25 Idanha-A-Nova | 2021/07/21 08:00 | Ben Patael v Robin Bertrand | 1-6,3-6 |
| ITF M15 Almada | 2021/07/08 10:55 | Duarte Vale v Ben Patael | 6-2,6-4 |
| ITF M15 Almada | 2021/07/06 08:30 | Diogo Marques v Ben Patael | 3-6,5-7 |
| ITF M25 Bakio | 2021/06/29 14:30 | Nicolas Alvarez Varona v Ben Patael | 5-7,6-1,4-6 |
| ITF M15 Heraklion | 2021/06/13 07:00 | Ben Patael v Yuki Mochizuki | 5-7,2-6 |
| ITF M15 Sozopol | 2021/10/07 07:00 | Sandro Kopp v Billy Harris | 2-6,6-7 |
| ITF M15 Allershausen | 2021/09/02 10:55 | Sandro Kopp v Juan Ignacio Galarza | 4-6,0-6 |
| ITF M15 Allershausen | 2021/09/01 15:40 | Benito Sanchez Martinez v Sandro Kopp | 6-3,1-6,3-6 |
| ITF M25 Trier | 2021/08/27 10:00 | Sandro Kopp v Tim Handel | 6-3,6-7,6-7 |
| ITF M25 Trier | 2021/08/26 09:25 | Sandro Kopp v Raphael Calzi | 6-2,6-1 |
| ITF M25 Frankfurt am Main | 2021/08/12 08:55 | Sandro Kopp v Louis Wessels | 1-6,1-6 |
| ITF M25 Frankfurt am Main | 2021/08/11 09:00 | Julien Penzlin v Sandro Kopp | 4-6,3-6 |
| ITF M25 Frankfurt am Main | 2021/08/10 08:30 | Sandro Kopp v Dominik Fritsche | 6-4,6-3 |