Level, 1 wins each over 2 singles meetings since 2021. Last meeting on 05/12/2025 at Quito Open - Quito.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 05/12/2025 | Quito Open - Quito | Quarter-final | clay | Hercog | 3-6 0-2 |
| 15/10/2021 | W60 Rancho Santa Fe | Quarter-final | hard | Kalieva | 4-6 3-6 |
| clay | Hercog 1 - 0 Kalieva |
| hard | Hercog 0 - 1 Kalieva |
| 2025 | Hercog 1 - 0 Kalieva |
| 2021 | Hercog 0 - 1 Kalieva |
93 wins, 78 losses since 2021 (54.4%).
Last matches: D D D D D
186 wins, 159 losses since 2021 (53.9%).
Last matches: D D D V V
Level, 1 wins each over 2 singles meetings since 2021.
On 05/12/2025, at Quito Open - Quito (Quarter-final): Polona Hercog won 3-6 0-2.