Stadium: Court 10 Round: 24 Ground: Clay
| ATP Parma MD | 2021/05/26 12:15 | Marach/Qureshi v Klaasen/Mclachlan | 6-3,6-4 |
| ATP Geneva MD | 2021/05/21 11:40 | Bolelli/Gonzalez v Klaasen/Mclachlan | 3-6,6-3,10-4 |
| ATP Geneva MD | 2021/05/20 11:50 | Klaasen/Mclachlan v Cilic/Golubev | 6-3,7-6 |
| ATP Geneva MD | 2021/05/18 14:10 | Klaasen/Mclachlan v Bambridge/Inglot | 6-3,7-6 |
| ATP Rome MD | 2021/05/13 15:40 | Klaasen/Mclachlan v Ram/Salisbury | 3-6,2-6 |
| ATP Rome MD | 2021/05/12 15:15 | Gonzalez/Martin v Klaasen/Mclachlan | 7-6,4-6,6-10 |
| ATP Madrid MD | 2021/05/06 14:35 | Klaasen/Mclachlan v Herbert/Mahut | 6-7,6-7 |
| ATP Madrid MD | 2021/05/05 14:25 | Klaasen/Mclachlan v Fritz/Marach | 6-2,6-3 |
| Challenger Quimper MD | 2021/01/28 20:30 | Nakashima/Reese v Bourgue/Pouille | 6-2,6-2 |
| Challenger Quimper MD | 2021/01/26 17:00 | Bourgue/Pouille v Eysseric/Furness | 6-2,4-6,10-8 |