Hynek Barton defeated Kimmer Coppejans 6-4 6-2 in the Poznan round of 32 on clay. The upset overturned the form book — Kimmer Coppejans came in ranked #232, leading the head-to-head 2–0, but Hynek Barton had been the form player, winning 2 of their last 5 on clay. Hynek Barton claimed a first win over Kimmer Coppejans in three meetings, narrowing the head-to-head to 2–1.
Barton H. took it in straight sets.
Clay: Barton H. leads 1–0 · Hard: Coppejans K. leads 2–0
Hynek Barton beat Kimmer Coppejans 6-4 6-2. Umpiry, "Hynek Barton vs Kimmer Coppejans — Poznan Round of 32", https://umpiry.com/match/2026-06-16/barton-vs-coppejans-poznan-r32?utm_source=cite (as of 16 June 2026).