Stadium: Comite 2 Round: 26 Ground: Hardcourt indoor
| Challenger Barletta MD | 2021/08/28 13:15 | Brouwer/Sels v Bortolotti/Rodriguez | 2-6,4-6 |
| Challenger Barletta MD | 2021/08/27 18:00 | Martinez/Vavassori v Brouwer/Sels | 6-7,2-6 |
| Challenger Barletta MD | 2021/08/26 13:25 | Bondarevskiy/Kotov v Brouwer/Sels | 3-6,4-6 |
| Challenger Barletta MD | 2021/08/25 16:00 | Alvarez/Dougaz v Brouwer/Sels | 5-7,3-6 |
| Challenger Amersfoort MD | 2021/07/16 13:00 | Brouwer/Sels v de Krom/Van Den Berg | 6-7,5-7 |
| Challenger Amersfoort MD | 2021/07/14 13:45 | Hidalgo/Gornes v Brouwer/Sels | 3-6,4-6 |
| ITF M25 The Hague MD | 2021/07/03 12:55 | de Jong/Stevens v Brouwer/Sels | 6-3,6-4 |
| ITF M25 The Hague MD | 2021/07/02 17:45 | Brouwer/Sels v Eisinga/Wassermann | 6-2,6-3 |