Stadium: Court 4 Round: 26 Ground: Clay
| ATP Monte Carlo MD | 2021/04/14 15:15 | Klaasen/Mclachlan v Ram/Salisbury | 6-7,6-3,10-5 |
| 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 |
| ATP Estoril MD | 2021/04/30 11:00 | Nys/Puetz v Klaasen/Mclachlan | 3-6,6-4,14-12 |
| ATP Estoril MD | 2021/04/29 10:30 | Monroe/Tiafoe v Klaasen/Mclachlan | 3-6,7-6,6-10 |
| ATP Estoril MD | 2021/04/28 11:00 | Bolelli/Gonzalez v Klaasen/Mclachlan | 2-6,3-6 |
| ATP Belgrade MD | 2021/04/20 15:25 | Sabanov/Sabanov v Klaasen/Mclachlan | 6-4,6-2 |
| ATP Monte Carlo MD | 2021/04/16 15:15 | Evans/Skupski v Klaasen/Mclachlan | 1-6,7-6,10-4 |
| ATP Rome MD | 2021/05/12 17:25 | Gille/Vliegen v Ram/Salisbury | 3-6,6-2,10-12 |
| ATP Madrid MD | 2021/05/05 12:30 | Ram/Salisbury v Bublik/Garin | 6-7,5-7 |
| ATP Barcelona MD | 2021/04/24 15:50 | Ram/Salisbury v Krawietz/Tecau | 6-1,3-6,9-11 |
| ATP Barcelona MD | 2021/04/22 14:25 | Dodig/Murray v Ram/Salisbury | 3-6,4-6 |
| ATP Barcelona MD | 2021/04/20 10:50 | Garin/Pella v Ram/Salisbury | 0-6,3-6 |
| ATP Monte Carlo MD | 2021/04/14 15:15 | Klaasen/Mclachlan v Ram/Salisbury | 6-7,6-3,10-5 |
| ATP Monte Carlo MD | 2021/04/13 09:00 | Melo/Rojer v Ram/Salisbury | 6-4,1-6,8-10 |
| ATP Miami MD | 2021/04/01 17:00 | Ram/Salisbury v Mektic/Pavic | 3-6,6-7 |