Peter Heller defeated Gabriel Donev 6-1 1-6 6-3 in the Turkey F11 qualifying round on clay.
Heller P. came through in three sets.
Peter Heller beat Gabriel Donev 6-1 1-6 6-3. Umpiry, "Peter Heller vs Gabriel Donev — Turkey F11 Qualifying Round", https://umpiry.com/match/2018-03-19/donev-vs-heller-turkey-f11-qf?utm_source=cite (as of 19 March 2018).