Qinwen Zheng faces Elise Mertens in the Beijing semi-final on hard. Elise Mertens is the paper favourite — ranked #19, defending last year's round of 64, a roughly 20-point hard Elo advantage — but Qinwen Zheng has won their only previous meeting, though none on hard. Recent hard form is closely matched.
Break of serve
Zheng Q. came in with the higher hard rating (2007 vs 1878), the better recent record (8–2 vs 7–3) and the head-to-head lead (1–0).
Zheng Q. and Mertens E. faced 11 of the same opponents in the last 12 months. Zheng Q. went 4–9 (31%) against them, Mertens E. 13–3 (81%). Mertens E. came out better against 6 of 11 comparable opponents, Zheng Q. against 0 — though 1 of those edges carries caveats (lower-tier event).
Umpiry, "Qinwen Zheng vs Elise Mertens — Beijing Semi-final", https://umpiry.com/match/2026-10-10/mertens-vs-zheng-beijing-sf?utm_source=cite (as of 10 October 2026).