Robin Kern defeated Peter Heller 7-6 6-3 in the Hungary F1 round of 32 on clay.
Kern R. took it in straight sets.
Robin Kern beat Peter Heller 7-6(0) 6-3. Umpiry, "Robin Kern vs Peter Heller — Hungary F1 Round of 32", https://umpiry.com/match/2017-05-08/heller-vs-kern-hungary-f1-r32?utm_source=cite (as of 8 May 2017).