Head-to-Head
Overview
Anna Bondar and S. Sierra have met 1 time so far, all in 2026. S. Sierra leads 1–0. Their first encounter was at the 2026 Wimbledon (R128), won by S. Sierra.
By surface
- grass0 – 1
Anna Bondar and S. Sierra have met 1 time so far, all in 2026. S. Sierra leads 1–0. Their first encounter was at the 2026 Wimbledon (R128), won by S. Sierra.