Stadium: Stadium 8 Round: 25 Ground: Hardcourt outdoor
| WTA Finals WD | 2021/11/17 23:00 | Hsieh/Mertens v Krejcikova/Siniakova | 3-6,4-6 |
| WTA Finals WD | 2021/11/17 03:50 | Aoyama/Shibahara v Hsieh/Mertens | 2-6,2-6 |
| WTA Finals WD | 2021/11/16 04:35 | Hsieh/Mertens v Fichman/Olmos | 6-4,7-6 |
| WTA Finals WD | 2021/11/13 22:25 | Krejcikova/Siniakova v Hsieh/Mertens | 6-3,6-1 |
| WTA Finals WD | 2021/11/11 21:45 | Hsieh/Mertens v Guarachi/Krawczyk | 7-6,6-2 |
| WTA Indian Wells WD | 2021/10/16 18:00 | Kudermetova/Rybakina v Hsieh/Mertens | 6-7,3-6 |
| WTA Indian Wells WD | 2021/10/14 20:00 | Aoyama/Shibahara v Hsieh/Mertens | 2-6,0-6 |
| WTA Indian Wells WD | 2021/10/13 01:00 | Fernandez/Gauff v Hsieh/Mertens | 5-7,4-6 |