C. O'Connell defeated Duje Kekez 6-2 6-4 in the Croatia F5 quarter-final on clay. The result followed the form book — C. O'Connell came in leading the head-to-head 1–0. C. O'Connell extended the head-to-head to 2–0.
O'Connell C. took it in straight sets.
C. O'Connell beat Duje Kekez 6-2 6-4. Umpiry, "C. O'Connell vs Duje Kekez — Croatia F5 Quarter-final", https://umpiry.com/match/2016-05-06/kekez-vs-o-connell-croatia-f5-qf?utm_source=cite (as of 6 May 2016).