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 | 6-3 6-1 |
| 15/10/2021 | W60 Rancho Santa Fe | Quarter-final | hard | Kalieva | 6-4 6-3 |
| clay | Hercog 1 - 0 Kalieva |
| hard | Hercog 0 - 1 Kalieva |
| 2025 | Hercog 1 - 0 Kalieva |
| 2021 | Hercog 0 - 1 Kalieva |
101 wins, 83 losses since 2021 (54.9%).
Last matches: V V D V D
191 wins, 165 losses since 2021 (53.7%).
Last matches: D D D V D
Level, 1 wins each over 2 singles meetings since 2021.
On 05/12/2025, at Quito Open - Quito (Quarter-final): Polona Hercog won 6-3 6-1.