S. Sierra leads the head-to-head 2-0 since 2018 against E. Seidel, over 2 matches.
| Surface | S. Sierra | E. Seidel |
|---|---|---|
| Grass | 1 | 0 |
| Hard | 1 | 0 |
| Date | Winner | Score | Event |
|---|---|---|---|
| June 20, 2026 | S. Sierra | 2 - 0 | Bad Homburg · Semi-finals · grass |
| Aug. 21, 2024 | S. Sierra | 2 - 1 | WTA US Open · Semi-finals · hard |