Nikola Cacic defeated C. O'Connell 7-5 6-4 in the Croatia F6 semi-final on clay.
Cacic N. took it in straight sets.
Nikola Cacic beat C. O'Connell 7-5 6-4. Umpiry, "Nikola Cacic vs C. O'Connell — Croatia F6 Semi-final", https://umpiry.com/match/2016-05-14/cacic-vs-o-connell-croatia-f6-sf?utm_source=cite (as of 14 May 2016).