Simona Waltert defeated Katarzyna Kawa 6-4 6-1 in the Bastad round of 32 on clay. The upset overturned the form book — Katarzyna Kawa came in leading the head-to-head 2–1. That levelled the head-to-head at 2–2.
Waltert S. took it in straight sets.
Waltert S. and Kawa K. faced 3 of the same opponents in the last 12 months. Waltert S. went 1–3 (25%) against them, Kawa K. 2–2 (50%). Results against comparable opponents are close (1 : 1 better-results split).
Only 3 common opponents — small sample, treat as indicative.
Clay: Waltert S. leads 2–1 · Hard: Kawa K. leads 1–0
Simona Waltert beat Katarzyna Kawa 6-4 6-1. Umpiry, "Simona Waltert vs Katarzyna Kawa — Bastad Round of 32", https://umpiry.com/match/2026-07-06/kawa-vs-waltert-bastad-r32?utm_source=cite (as of 6 July 2026).