Head-to-Head
Overview
O. Choi and Yingqun Sun have met 1 time so far, all in 2026. Yingqun Sun leads 1–0. Their first encounter was at the 2026 W15 Luan 5 (R32), won by Yingqun Sun.
By surface
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O. Choi and Yingqun Sun have met 1 time so far, all in 2026. Yingqun Sun leads 1–0. Their first encounter was at the 2026 W15 Luan 5 (R32), won by Yingqun Sun.