Head-to-Head
Overview
Kristiana Sidorova and Sofia Costoulas have met 1 time so far, all in 2026. Sofia Costoulas leads 1–0. Their first encounter was at the 2026 W75 Tianjin (China) (R16), won by Sofia Costoulas.
By surface
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Kristiana Sidorova and Sofia Costoulas have met 1 time so far, all in 2026. Sofia Costoulas leads 1–0. Their first encounter was at the 2026 W75 Tianjin (China) (R16), won by Sofia Costoulas.