S. Sierra and D. Yastremska are level 1-1 in their head-to-head since 2018 over 2 matches.
| Surface | S. Sierra | D. Yastremska |
|---|---|---|
| Clay | 1 | 1 |
| Date | Winner | Score | Event |
|---|---|---|---|
| May 14, 2026 | D. Yastremska | 2 - 0 | Parma · Quarter-finals · clay |
| April 22, 2026 | S. Sierra | 2 - 0 | Madrid · 1/64-finals · clay |