Ondrej Krstev defeated Julian Onken 6-2 5-7 6-3 in the Poland F5 round of 32 on hard.
Krstev O. came through in three sets.
Ondrej Krstev beat Julian Onken 6-2 5-7 6-3. Umpiry, "Ondrej Krstev vs Julian Onken — Poland F5 Round of 32", https://umpiry.com/match/2015-09-07/krstev-vs-onken-poland-f5-r32?utm_source=cite (as of 7 September 2015).