Stadium: Court 8 Round: 24 Ground: Clay
| ATP Lyon - Mixed dubbel | 2019/05/21 13:45 | Klaasen/Venus v Hoang/Jacq | 7-5,6-4 |
| ATP Rome - Herrdubbel | 2019/05/19 12:00 | Cabal/Farah v Klaasen/Venus | 6-1,6-3 |
| ATP Rome - Herrdubbel | 2019/05/18 16:00 | Marach/Pavic v Klaasen/Venus | 6-7,6-4,7-10 |
| ATP Rome - Herrdubbel | 2019/05/17 09:00 | Klaasen/Venus v Gonzalez/Zeballos | 7-6,5-7,10-7 |
| ATP Rome - Herrdubbel | 2019/05/16 08:00 | Klaasen/Venus v Middelkoop/Simon | 6-4,6-2 |
| ATP Rome - Herrdubbel | 2019/05/13 11:50 | Klaasen/Venus v Zverev/Zverev | 7-6,6-4 |
| ATP Miami - Herrdubbel | 2019/03/24 18:35 | Klaasen/Venus v Middelkoop/Schwartzman | 4-6,3-6 |
| ATP Indian Wells - Herrdubbel | 2019/03/13 22:50 | Marach/Pavic v Klaasen/Venus | 6-4,6-7,10-5 |