Head-to-Head
Overview
C. McNally and S. Sierra have met 1 time so far, all in 2026. C. McNally leads 1–0. Their first encounter was at the 2026 Hertogenbosch (R16), won by C. McNally.
By surface
- grass1 – 0
C. McNally and S. Sierra have met 1 time so far, all in 2026. C. McNally leads 1–0. Their first encounter was at the 2026 Hertogenbosch (R16), won by C. McNally.