Mona Barthel defeated Carina Witthoeft 7-5 6-3 in the Nurnberg round of 32 on clay. The upset overturned the form book — Carina Witthoeft came in defending last year's quarter-final. Mona Barthel moved ahead in the head-to-head, 2–1.
Barthel M. took it in straight sets.
Barthel M. and Witthoeft C. faced 8 of the same opponents in the last 12 months. Barthel M. went 0–8 (0%) against them, Witthoeft C. 2–8 (20%). Witthoeft C. came out better against 2 of 5 comparable opponents, Barthel M. against 0.
Clay: level 1–1 · Hard: Barthel M. leads 1–0
Mona Barthel beat Carina Witthoeft 7-5 6-3. Umpiry, "Mona Barthel vs Carina Witthoeft — Nurnberg Round of 32", https://umpiry.com/match/2018-05-21/barthel-vs-witthoeft-nurnberg-r32?utm_source=cite (as of 21 May 2018).