Donna Vekic defeated Katie Boulter 6-1 6-3 in the London semi-final on grass. The upset overturned the form book — Katie Boulter came in leading the head-to-head 1–0. Donna Vekic claimed a first win over Katie Boulter in two meetings, levelling the head-to-head at 1–1.
Vekic D. took it in straight sets.
Boulter K. and Vekic D. faced 9 of the same opponents in the last 12 months. Boulter K. went 4–6 (40%) against them, Vekic D. 2–7 (22%). Boulter K. came out better against 2 of 9 comparable opponents, Vekic D. against 0 — though 1 of those edges carries caveats (retirement).
Grass: Vekic D. leads 1–0 · Hard: Boulter K. leads 1–0
Donna Vekic beat Katie Boulter 1-6 3-6. Umpiry, "Katie Boulter vs Donna Vekic — London Semi-final", https://umpiry.com/match/2026-06-13/boulter-vs-vekic-london-sf?utm_source=cite (as of 13 June 2026).