Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| US Open WD | 2019/08/31 20:25 | Muchova/Teichmann v Mertens/Sabalenka | 6-7,3-6 |
| US Open WD | 2019/08/30 15:00 | Blinkova/Wang v Mertens/Sabalenka | 3-6,4-6 |
| WTA Cincinnati WD | 2019/08/14 19:55 | Cornet/Mladenovic v Mertens/Sabalenka | 4-6,6-2,10-6 |
| Wimbledon Women WD | 2019/07/10 12:00 | Hsieh/Strycova v Mertens/Sabalenka | 6-4,6-2 |
| Wimbledon Women WD | 2019/07/09 12:00 | Chan/Chan v Mertens/Sabalenka | 5-7,3-6 |
| Wimbledon Women WD | 2019/07/05 12:45 | Aoyama/Krunic v Mertens/Sabalenka | 7-6,5-7,4-6 |
| Wimbledon Women WD | 2019/07/03 12:20 | Dzalamidze/Lister v Mertens/Sabalenka | 3-6,4-6 |
| French Open Women WD | 2019/06/07 11:10 | Mertens/Sabalenka v Babos/Mladenovic | 2-6,1-6 |