Stadium: Court 16 Round: 25 Ground: Grass
| Wimbledon - Herrdubbel | 2021/07/01 12:35 | Klaasen/Mclachlan v Molteni/Vavassori | 6-7,6-4,6-4 |
| ATP Eastbourne - Herrdubbel | 2021/06/23 16:50 | Klaasen/Mclachlan v Cabal/Farah | 7-6,6-7,3-10 |
| ATP Halle - Herrdubbel | 2021/06/16 12:30 | Klaasen/Mclachlan v Molteni/Pella | 6-7,6-7 |
| ATP Stuttgart - Herrdubbel | 2021/06/10 12:30 | Klaasen/Mclachlan v Begemann/Brown | 4-6,6-3,8-10 |
| French Open - Herrdubbel | 2021/06/03 14:40 | Klaasen/Mclachlan v Purcell/Saville | 6-3,2-6,1-6 |
| French Open - Herrdubbel | 2021/06/02 12:20 | Klaasen/Mclachlan v Bourgue/Pouille | 6-3,6-2 |
| ATP Parma - Herrdubbel | 2021/05/26 12:15 | Marach/Qureshi v Klaasen/Mclachlan | 6-3,6-4 |
| ATP Geneva - Herrdubbel | 2021/05/21 11:40 | Bolelli/Gonzalez v Klaasen/Mclachlan | 3-6,6-3,10-4 |
| Wimbledon - Herrdubbel | 2021/07/01 16:40 | Arneodo/Zelenay v Berankis/Koepfer | 6-7,6-3,7-9 |