R. Masarova and K. Siniakova are level 1-1 in their head-to-head since 2018 over 2 matches.
| Surface | R. Masarova | K. Siniakova |
|---|---|---|
| Grass | 0 | 1 |
| Clay | 1 | 0 |
| Date | Winner | Score | Event |
|---|---|---|---|
| June 16, 2026 | K. Siniakova | 2 - 0 | Berlin · 1/16-finals · grass |
| May 1, 2025 | R. Masarova | 2 - 0 | Vic · Quarter-finals · clay |