Stadium: Margaret Court Arena Round: 27 Ground: Hardcourt outdoor
| Wimbledon - MD | 2018/07/09 16:15 | Mayer/Sousa v Klaasen/Venus | 3-6,6-7,7-6,7-6,3-6 |
| Australian Open - MD | 2019/01/20 00:00 | Gonzalez/Jarry v Mayer/Sousa | 3-6,4-6 |
| Australian Open - MD | 2019/01/18 04:00 | Carballes Baena/Rublev v Mayer/Sousa | 6-7,3-6 |
| Australian Open - MD | 2019/01/16 02:35 | Mayer/Sousa v Lopez/Lopez | 6-4,6-7,6-3 |
| US Open - MD | 2018/08/31 16:50 | Mayer/Sousa v Mektic/Melzer | 3-6,3-6 |
| US Open - MD | 2018/08/29 20:25 | Marach/Pavic v Mayer/Sousa | 6-3,6-7,5-7 |
| Wimbledon - MD | 2018/07/09 16:15 | Mayer/Sousa v Klaasen/Venus | 3-6,6-7,7-6,7-6,3-6 |
| Wimbledon - MD | 2018/07/07 13:45 | Delbonis/Reyes-Varela v Mayer/Sousa | 1-6,6-7,4-6 |
| Wimbledon - MD | 2018/07/05 12:35 | Marrero/Verdasco v Mayer/Sousa | 6-7,4-6,7-6,1-6 |
| Australian Open - MD | 2019/01/20 05:10 | Demoliner/Nielsen v Klaasen/Venus | 3-6,1-6 |
| Australian Open - MD | 2019/01/19 00:00 | Daniell/Koolhof v Klaasen/Venus | 6-7,3-6 |
| Australian Open - MD | 2019/01/16 02:00 | Klahn/Kukushkin v Klaasen/Venus | 6-4,4-6,3-6 |
| ATP Auckland - MD | 2019/01/11 23:00 | Mclachlan/Struff v Klaasen/Venus | 6-3,6-4 |
| ATP Auckland - MD | 2019/01/11 05:45 | Klaasen/Venus v Bryan/Bryan | 6-4,6-1 |
| ATP Auckland - MD | 2019/01/10 03:00 | Pella/Sousa v Klaasen/Venus | 5-7,3-6 |
| ATP Auckland - MD | 2019/01/08 07:40 | Inglot/Skugor v Klaasen/Venus | 3-6,3-6 |
| ATP World Tour Finals - MD | 2018/11/15 18:00 | Cabal/Farah v Klaasen/Venus | 6-3,7-6 |