Jie Zheng defeated Anna Lena Groenefeld 7-5 6-4 in the GER vs CHN round robin on clay. The result followed the form book — Jie Zheng came in leading the head-to-head 2–1. Jie Zheng extended the head-to-head to 3–1.
Zheng J. took it in straight sets.
Zheng J. and Groenefeld A. faced 3 of the same opponents in the last 12 months. Zheng J. went 2–2 (50%) against them, Groenefeld A. 1–4 (20%). Only 2 of the comparisons are context-comparable — too few for a conclusion.
Only 3 common opponents — small sample, treat as indicative.
Clay: Zheng J. leads 1–0 · Hard: Zheng J. leads 2–1
Jie Zheng beat Anna Lena Groenefeld 7-5 6-4. Umpiry, "Jie Zheng vs Anna Lena Groenefeld — GER vs CHN Round Robin", https://umpiry.com/match/2009-04-25/groenefeld-vs-zheng-ger-vs-chn-rr?utm_source=cite (as of 25 April 2009).