Su Wei Hsieh defeated Saisai Zheng 6-7 7-5 6-3 in the CHN vs TPE round robin on hard. Su Wei Hsieh moved ahead in the head-to-head, 4–3.
Hsieh S. came through in three sets.
Hsieh S. and Zheng S. faced 3 of the same opponents in the last 12 months. Hsieh S. went 0–3 (0%) against them, Zheng S. 2–3 (40%). Zheng S. came out better against 2 of 3 comparable opponents, Hsieh S. against 0.
Only 3 common opponents — small sample, treat as indicative.
Hard: Hsieh S. leads 4–2 · Clay: Zheng S. leads 1–0
Su Wei Hsieh beat Saisai Zheng 6-7 7-5 6-3. Umpiry, "Su Wei Hsieh vs Saisai Zheng — CHN vs TPE Round Robin", https://umpiry.com/match/2016-02-03/hsieh-vs-zheng-chn-vs-tpe-rr?utm_source=cite (as of 3 February 2016).