Luka Zaninovic defeated Tomislav Ternar 7-6 6-1 in the Croatia F11 round of 32 on clay. The upset overturned the form book — Tomislav Ternar came in leading the head-to-head 2–0, but Luka Zaninovic had been the form player, winning 1 of their last 4 on clay. Luka Zaninovic claimed a first win over Tomislav Ternar in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-10-14 | Croatia F11 | Q16 | clay | Tomislav Ternar | 7-6(3) 6-1 |
| 2013-03-18 | Croatia F5 | Q64 | clay | Tomislav Ternar | 7-6(14) 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.