Simona Waltert defeated Renata Zarazua 6-4 6-3 in the Parma round of 16 on clay. The upset overturned the form book — Renata Zarazua came in ranked #94, defending last year's semi-final.
Waltert S. took it in straight sets.
Waltert S. and Zarazua R. faced 3 of the same opponents in the last 12 months. Waltert S. went 1–2 (33%) against them, Zarazua R. 2–1 (67%). Only 1 of the comparisons are context-comparable — too few for a conclusion.
Only 3 common opponents — small sample, treat as indicative.
Simona Waltert beat Renata Zarazua 6-4 6-3. Umpiry, "Simona Waltert vs Renata Zarazua — Parma Round of 16", https://umpiry.com/match/2025-05-14/waltert-vs-zarazua-parma-r16?utm_source=cite (as of 14 May 2025).