Kirsten Flipkens defeated Kiki Bertens 5-7 6-3 7-6 in the Nurnberg quarter-final on clay. The result followed the form book — Kirsten Flipkens came in leading the head-to-head 2–1, defending last year's round of 16. Kirsten Flipkens extended the head-to-head to 3–1.
Flipkens K. came through in three sets.
Flipkens K. and Bertens K. faced 6 of the same opponents in the last 12 months. Flipkens K. went 5–3 (63%) against them, Bertens K. 4–2 (67%). Results against comparable opponents are close (1 : 2 better-results split).
Clay: Flipkens K. leads 1–0 · Hard: Flipkens K. leads 2–1
Kirsten Flipkens beat Kiki Bertens 5-7 6-3 7-6. Umpiry, "Kirsten Flipkens vs Kiki Bertens — Nurnberg Quarter-final", https://umpiry.com/match/2018-05-21/bertens-vs-flipkens-nurnberg-qf?utm_source=cite (as of 21 May 2018).