Natasa Zoric defeated Petra Sunic 6-2 6-2 in the Dubrovnik 10K qualifying round on clay. The result followed the form book — Natasa Zoric came in leading the head-to-head 3–1. Natasa Zoric extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-08-29 | Osijek 10K | R32 | clay | Petra Sunic | 6-4 1-0 |
| 2009-10-12 | Dubrovnik 10K | QF | clay | Natasa Zoric | 6-3 6-1 |
| 2007-10-22 | Dubrovnik 10K | QF | clay | Natasa Zoric | 6-1 6-2 |
| 2007-09-03 | Brcko 10K | R32 | clay | Natasa Zoric | 7-5 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.