Level, 1 wins each over 2 singles meetings since 2022. Last meeting on 10/09/2025 at Zavarovalnica Sava - Ljubljana.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 10/09/2025 | Zavarovalnica Sava - Ljubljana | Round 2 | clay | Waltert | 6-3 |
| 13/01/2022 | Australian Open - Melbourne | Qualifying 2 | hard | Niemeier | 1-6 1-6 |
| clay | Niemeier 0 - 1 Waltert |
| hard | Niemeier 1 - 0 Waltert |
| 2025 | Niemeier 0 - 1 Waltert |
| 2022 | Niemeier 1 - 0 Waltert |
139 wins, 133 losses since 2021 (51.1%).
Last matches: D V D D D
212 wins, 151 losses since 2021 (58.4%).
Last matches: D V V D D
Level, 1 wins each over 2 singles meetings since 2022.
On 10/09/2025, at Zavarovalnica Sava - Ljubljana (Round 2): Simona Waltert won 6-3.