Klara Koukalova defeated Amanda Coetzer 6-4 7-5 in the RSA vs CZE round robin on hard. The upset overturned the form book — Amanda Coetzer came in leading the head-to-head 2–0. Klara Koukalova claimed a first win over Amanda Coetzer in three meetings, narrowing the head-to-head to 2–1.
Koukalova K. took it in straight sets.
Koukalova K. and Coetzer A. faced 3 of the same opponents in the last 12 months. Koukalova K. went 1–2 (33%) against them, Coetzer A. 2–1 (67%). Only 2 of the comparisons are context-comparable — too few for a conclusion.
Only 3 common opponents — small sample, treat as indicative.
Klara Koukalova beat Amanda Coetzer 6-4 7-5. Umpiry, "Klara Koukalova vs Amanda Coetzer — RSA vs CZE Round Robin", https://umpiry.com/match/2003-07-19/coetzer-vs-koukalova-rsa-vs-cze-rr?utm_source=cite (as of 19 July 2003).