Robin Stanek defeated Constantin Schmitz 6-0 6-4 in the M15 Kaarst 1 quarter-final on carpet.
Stanek R. took it in straight sets.
Robin Stanek beat Constantin Schmitz 6-0 6-4. Umpiry, "Robin Stanek vs Constantin Schmitz — M15 Kaarst 1 Quarter-final", https://umpiry.com/match/2019-02-08/schmitz-vs-stanek-m15-kaarst-1-qf?utm_source=cite (as of 8 February 2019).