Stadion: KNLTB Court Round: 19 Ground: Clay
| Challenger - Amersfoort | 2021/07/11 10:00 | Eduard Esteve Lobato v Sander Jong | 2-6,5-7 |
| ITF - M25 - Den Haag | 2021/06/30 12:40 | Sander Jong v Jesper De Jong | 5-7,6-7 |
| ITF - M25 - Alkmaar | 2021/06/23 16:10 | Kai Wehnelt v Sander Jong | 6-2,7-6 |
| ITF - M15 - Alkmaar | 2020/08/24 08:00 | Martin Van Der Meerschen v Sander Jong | 6-3,7-6 |
| ITF - M15 - Alkmaar | 2020/08/23 08:00 | Sander Jong v Maxime Pauwels | 2-6,6-4,10-8 |
| Challenger - Amersfoort | 2021/07/11 10:00 | Sergio Martos Gornes v Carlos Sanchez Jover | 4-6,4-6 |
| ITF - M15 - Antalya | 2021/07/03 06:30 | Carlos Sanchez Jover v Nicolae Frunza | 6-4,4-6,2-6 |
| ITF - M15 - Antalya | 2021/07/02 06:25 | Marsel Ilhan v Carlos Sanchez Jover | 2-6,6-7 |
| ITF - M15 - Antalya | 2021/07/01 08:55 | Louis Tessa v Carlos Sanchez Jover | 3-6,1-6 |
| ITF - M15 - Antalya | 2021/06/30 10:30 | Simeon Terziev v Carlos Sanchez Jover | 6-2,0-6,6-7 |
| ITF - M15 - Novomoskovsk | 2021/06/03 13:20 | Carlos Sanchez Jover v Yurii Dzhavakian | 4-6,6-7 |
| ITF - M15 - Novomoskovsk | 2021/05/29 06:15 | Carlos Sanchez Jover v Oleksii Krutykh | 4-6,3-6 |
| ITF - M15 - Novomoskovsk | 2021/05/28 07:15 | Ivan Nedelko v Carlos Sanchez Jover | 4-6,3-6 |