Stadium: CEE Logistics-C8 Round: 27 Ground: Clay
| ITF M15 Allershausen | 2021/09/02 13:40 | Peter Heller v Guy Den Ouden | 6-7,3-6 |
| ITF M15 Allershausen | 2021/09/01 11:30 | Guy Den Ouden v Hazem Naw | 6-4,3-6,6-4 |
| ITF M15 Huy | 2021/08/29 13:00 | Gauthier Onclin v Guy Den Ouden | 6-4,5-7,1-6 |
| ITF M15 Huy | 2021/08/28 11:00 | Raphael Collignon v Guy Den Ouden | 3-6,4-6 |
| ITF M15 Huy | 2021/08/27 11:00 | Dhoe, Benjamin v Guy Den Ouden | 2-6,2-6 |
| ITF M15 Huy | 2021/08/26 11:45 | Guy Den Ouden v Perchicot, Mathieu | 7-5,6-4 |
| ITF M15 Huy | 2021/08/24 09:30 | Guy Den Ouden v Alessandro Ingarao | 6-1,6-4 |
| ITF M15 Oldenzaal | 2021/08/19 11:00 | Guy Den Ouden v Lorenzo Bocchi | 3-6,0-6 |
| ITF M15 Allershausen | 2021/09/02 10:55 | Sandro Kopp v Galarza, Juan Ignacio | 4-6,0-6 |
| ITF M15 Allershausen | 2021/08/31 10:00 | Alen Mujakic v Galarza, Juan Ignacio | 3-6,2-6 |
| ITF M15 Perugia | 2021/07/22 11:45 | Marcello Serafini v Galarza, Juan Ignacio | 6-3,7-5 |
| ITF M15 Perugia | 2021/07/20 13:30 | Maggioli, Emiliano v Galarza, Juan Ignacio | 3-6,6-7 |
| ITF M15 L'Aquila | 2021/07/15 08:30 | Galarza, Juan Ignacio v Federico Arnaboldi | 4-6,2-6 |
| ITF M15 L'Aquila | 2021/07/14 10:20 | Galarza, Juan Ignacio v Remy Bertola | 5-7,6-3,7-5 |
| ITF M15 Bergamo | 2021/06/25 12:00 | Balzerani, Riccardo v Galarza, Juan Ignacio | 6-3,6-3 |
| ITF M15 Bergamo | 2021/06/24 10:40 | Galarza, Juan Ignacio v Juan Pablo Paz | 6-3,7-6 |