Danilo Petrovic defeated Nikola Cacic 7-6 6-2 in the Croatia F13 round of 32 on clay. The upset overturned the form book — Nikola Cacic came in leading the head-to-head 2–1. That levelled the head-to-head at 2–2.
Petrovic D. took it in straight sets.
Danilo Petrovic beat Nikola Cacic 7-6(3) 6-2. Umpiry, "Danilo Petrovic vs Nikola Cacic — Croatia F13 Round of 32", https://umpiry.com/match/2011-10-17/cacic-vs-petrovic-croatia-f13-r32?utm_source=cite (as of 17 October 2011).