Sandro Kopp defeated Luca Wiedenmann in the Round of 32 at the Sion tournament on clay, winning 6-4, 6-1. Kopp served 7 aces to Wiedenmann's 2 and did not commit a double fault, while converting 67% of break points to Wiedenmann's 0%. Kopp won 84% of his first-serve points and took 4 service breaks to Wiedenmann's 0.
Generated automatically from Umpiry match data.
Kopp S. took it in straight sets, with four breaks of serve.
Break of serve
Clay: level 1–1 · Hard: Wiedenmann L. leads 1–0
Sandro Kopp beat Luca Wiedenmann 6-4 6-1. Umpiry, "Sandro Kopp vs Luca Wiedenmann — Sion Round of 32", https://umpiry.com/match/2026-08-18/kopp-vs-wiedenmann-sion-r32?utm_source=cite (as of 18 August 2026).