Peter Kobelt defeated Anton Zaitsev 7-6 6-4 in the Turkey F4 semi-final on hard.
Kobelt P. took it in straight sets.
Peter Kobelt beat Anton Zaitsev 7-6(5) 6-4. Umpiry, "Peter Kobelt vs Anton Zaitsev — Turkey F4 Semi-final", https://umpiry.com/match/2017-01-30/kobelt-vs-zaitsev-turkey-f4-sf?utm_source=cite (as of 30 January 2017).