Stadium: Court 2 Round: 25 Ground: Clay
| ATP Miami MD | 2019/03/24 18:35 | Klaasen/Venus v Middelkoop/Schwartzman | 4-6,3-6 |
| ATP Indian Wells MD | 2019/03/13 22:50 | Marach/Pavic v Klaasen/Venus | 6-4,6-7,10-5 |
| ATP Indian Wells MD | 2019/03/10 23:45 | Mclachlan/Struff v Klaasen/Venus | 4-6,6-7 |
| ATP Indian Wells MD | 2019/03/09 00:40 | Gonzalez/Nishikori v Klaasen/Venus | 3-6,5-7 |
| ATP Dubai MD | 2019/02/25 15:35 | Basilashvili/Ebden v Klaasen/Venus | 7-6,3-6,10-3 |
| ATP Marseille MD | 2019/02/19 16:00 | Eysseric/Simon v Klaasen/Venus | 4-6,6-3,10-6 |
| ATP Rotterdam MD | 2019/02/13 11:55 | Koolhof/Melzer v Klaasen/Venus | 6-4,6-4 |
| Australian Open MD | 2019/01/22 02:35 | Mayer/Sousa v Klaasen/Venus | 6-4,7-6 |
| ATP Madrid MD | 2019/05/07 11:15 | Haase/Klaasen v Zverev/Zverev | 7-6,7-6 |
| ATP Monte Carlo MD | 2019/04/17 13:15 | Haase/Koolhof v Zverev/Zverev | 6-7,6-4,10-8 |
| ATP Monte Carlo MD | 2019/04/15 13:55 | Zverev/Zverev v Arneodo/Nys | 4-6,6-4,10-7 |
| ATP Miami MD | 2019/03/21 21:50 | Zverev/Zverev v Gonzalez/Zeballos | 4-6,2-6 |
| ATP Indian Wells MD | 2019/03/08 22:45 | Zverev/Zverev v Cabal/Farah | 7-5,3-6,5-10 |
| ATP Acapulco MD | 2019/03/03 04:50 | Krajicek/Sitak v Zverev/Zverev | 6-2,6-7,5-10 |
| ATP Acapulco MD | 2019/03/02 05:00 | Lopez/Lopez v Zverev/Zverev | 6-7,4-6 |
| ATP Acapulco MD | 2019/03/01 04:15 | Zverev/Zverev v Bryan/Bryan | 5-7,6-4,10-7 |