Maximilian Marterer defeated Robin Kern 6-3 7-6 in the Germany F7 round of 32 on clay. The upset overturned the form book — Robin Kern came in leading the head-to-head 1–0. Maximilian Marterer claimed a first win over Robin Kern in two meetings, levelling the head-to-head at 1–1.
Marterer M. took it in straight sets.
Clay: Marterer M. leads 1–0 · Hard: Kern R. leads 1–0
Maximilian Marterer beat Robin Kern 6-3 7-6(5). Umpiry, "Maximilian Marterer vs Robin Kern — Germany F7 Round of 32", https://umpiry.com/match/2015-07-13/kern-vs-marterer-germany-f7-r32?utm_source=cite (as of 13 July 2015).