Ivan Nedelko defeated Peter Heller 5-7 6-4 7-6 in the Turkey F11 semi-final on clay.
Nedelko I. came through in three sets.
Ivan Nedelko beat Peter Heller 5-7 6-4 7-6(9). Umpiry, "Ivan Nedelko vs Peter Heller — Turkey F11 Semi-final", https://umpiry.com/match/2018-03-19/heller-vs-nedelko-turkey-f11-sf?utm_source=cite (as of 19 March 2018).