Kai Chen Chang defeated Yaroslava Shvedova 6-3 6-4 in the Taipei 100K qualifying round on hard. The upset overturned the form book — Yaroslava Shvedova came in leading the head-to-head 1–0, but Kai Chen Chang had been the form player, winning 4 of their last 6 on hard. Kai Chen Chang claimed a first win over Yaroslava Shvedova in two meetings, levelling the head-to-head at 1–1.
Chen Chang K. took it in straight sets.
Chen Chang K. and Shvedova Y. faced 3 of the same opponents in the last 12 months. Chen Chang K. went 0–3 (0%) against them, Shvedova Y. 0–3 (0%). Results against comparable opponents are close (0 : 0 better-results split).
Only 3 common opponents — small sample, treat as indicative.
Hard: Chen Chang K. leads 1–0 · Clay: Shvedova Y. leads 1–0
Kai Chen Chang beat Yaroslava Shvedova 6-3 6-4. Umpiry, "Kai Chen Chang vs Yaroslava Shvedova — Taipei 100K Qualifying Round", https://umpiry.com/match/2011-10-31/chang-vs-shvedova-taipei-100k-qf?utm_source=cite (as of 31 October 2011).