Kimberley Zimmermann defeated Romy Koelzer 6-3 6-1 in the Wiesbaden $25K round of 16 on clay. The result followed the form book — Kimberley Zimmermann came in defending last year's round of 16.
Zimmermann K. took it in straight sets.
Kimberley Zimmermann beat Romy Koelzer 6-3 6-1. Umpiry, "Kimberley Zimmermann vs Romy Koelzer — Wiesbaden $25K Round of 16", https://umpiry.com/match/2018-04-26/koelzer-vs-zimmermann-wiesbaden-25k-r16?utm_source=cite (as of 26 April 2018).