Duje Kekez defeated Ismar Gorcic 6-7 6-4 7-6 in the Serbia F7 round of 32 on clay. The upset overturned the form book — Ismar Gorcic came in leading the head-to-head 3–0, but Duje Kekez had been the form player, winning 6 of their last 10 on clay. Duje Kekez claimed a first win over Ismar Gorcic in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-08-05 | Serbia F8 | R16 | clay | Ismar Gorcic | 6-3 6-4 |
| 2013-06-17 | Bosnia & Herzegovina F4 | QF | clay | Ismar Gorcic | 6-2 6-4 |
| 2012-09-24 | Serbia F14 | R16 | clay | Ismar Gorcic | 2-6 7-6(6) 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.