Stadium: Stadium 8 Round: 25 Ground: Hardcourt outdoor
| WTA Chicago - WD | 2021/09/29 19:45 | Hsieh/Mertens v Golubic/Teichmann | 6-4,3-6,10-6 |
| US Open - Kobiety - WD | 2021/09/08 20:05 | Hsieh/Mertens v Gauff/McNally | 3-6,6-7 |
| US Open - Kobiety - WD | 2021/09/06 19:05 | Hsieh/Mertens v Minnen/Van Uytvanck | 6-0,6-2 |
| US Open - Kobiety - WD | 2021/09/04 20:45 | Hsieh/Mertens v Eikeri/Lechemia | 6-4,6-2 |
| US Open - Kobiety - WD | 2021/09/02 20:05 | Hsieh/Mertens v Kalinskaya/Putintseva | 6-0,6-0 |
| WTA Cincinnati - WD | 2021/08/18 17:00 | Hsieh/Mertens v Blinkova/Sasnovich | 5-7,7-5,5-10 |
| Wimbledon - Kobiety - WD | 2021/07/10 15:10 | Kudermetova/Vesnina v Hsieh/Mertens | 6-3,5-7,7-9 |
| Wimbledon - Kobiety - WD | 2021/07/09 12:00 | Hsieh/Mertens v Aoyama/Shibahara | 6-4,1-6,6-3 |