Stadion: Campo 1 Round: 27 Ground: Clay
| Challenger - Barletta - Herrendoppel | 2021/08/25 13:45 | Cerretani/Ore v Bondarevskiy/Kotov | 6-3,6-7,7-10 |
| Challenger - Barletta - Herrendoppel | 2021/08/25 16:00 | Alvarez/Dougaz v Brouwer/Sels | 5-7,3-6 |
| Challenger - Amersfoort - Herrendoppel | 2021/07/16 13:00 | Brouwer/Sels v de Krom/Van Den Berg | 6-7,5-7 |
| Challenger - Amersfoort - Herrendoppel | 2021/07/14 13:45 | Hidalgo/Gornes v Brouwer/Sels | 3-6,4-6 |
| ITF - M25 - Den Haag - Herrendoppel | 2021/07/03 12:55 | De Jong/Stevens v Brouwer/Sels | 6-3,6-4 |
| ITF - M25 - Den Haag - Herrendoppel | 2021/07/02 17:45 | Brouwer/Sels v Eisinga/Wassermann | 6-2,6-3 |
| ITF - M25 - Den Haag - Herrendoppel | 2021/06/29 13:10 | Ritschard/Tepavac v Brouwer/Sels | 3-6,1-6 |
| ITF - M25 - Alkmaar - Herrendoppel | 2021/06/26 17:00 | De Jong/Jong v Brouwer/Sels | 6-0,4-6,10-6 |
| ITF - M25 - Alkmaar - Herrendoppel | 2021/06/25 15:55 | Freund/Virtanen v Brouwer/Sels | 6-4,4-6,4-10 |