Antal Van Der Duim defeated Peter Heller 4-6 7-6 6-3 in the Bahrain F1 semi-final on hard.
Van Der Duim A. came through in three sets.
Antal Van Der Duim beat Peter Heller 4-6 7-6(2) 6-3. Umpiry, "Antal Van Der Duim vs Peter Heller — Bahrain F1 Semi-final", https://umpiry.com/match/2013-03-25/duim-vs-heller-bahrain-f1-sf?utm_source=cite (as of 25 March 2013).