Irina Camelia Begu defeated Elise Mertens 3-6 6-2 6-3 in the US Open round of 128 on hard. The upset overturned the form book — Elise Mertens came in ranked #19, leading the head-to-head 3–0, defending last year's round of 16. Irina Camelia Begu claimed a first win over Elise Mertens in four meetings, narrowing the head-to-head to 3–1.
Begu I. came through in three sets.
Begu I. and Mertens E. faced 9 of the same opponents in the last 12 months. Begu I. went 6–4 (60%) against them, Mertens E. 8–4 (67%). Results against comparable opponents are close (3 : 4 better-results split).
Hard: Mertens E. leads 2–1 · Clay: Mertens E. leads 1–0
Irina Camelia Begu beat Elise Mertens 3-6 6-2 6-3. Umpiry, "Irina Camelia Begu vs Elise Mertens — US Open Round of 128", https://umpiry.com/match/2022-08-29/begu-vs-mertens-us-open-r128?utm_source=cite (as of 29 August 2022).