Ground: Hardcourt outdoor
| WTA Melbourne 1 | 2022/01/03 02:00 | Jule Niemeier v Qinwen Zheng | 4-6,0-6 |
| WTA Nur-Sultan | 2021/09/28 10:00 | Vera Lapko v Jule Niemeier | 7-5,4-6,6-4 |
| WTA Luxembourg | 2021/09/14 19:40 | Jelena Ostapenko v Jule Niemeier | 6-2,6-2 |
| WTA Luxembourg | 2021/09/12 11:40 | Jule Niemeier v Tereza Smitkova | 6-7,6-3,6-4 |
| WTA Luxembourg | 2021/09/11 15:55 | Jule Niemeier v Lena Papadakis | 7-6,4-6,6-3 |
| US Open Women | 2021/08/26 15:00 | Mihaela Buzarnescu v Jule Niemeier | 6-3,4-6,6-0 |
| US Open Women | 2021/08/24 15:00 | Giulia Gatto Monticone v Jule Niemeier | 2-6,2-6 |
| WTA Chicago | 2021/08/17 22:15 | Jule Niemeier v Greet Minnen | 6-2,6-2 |