Miliaan Niesten defeated Nikola Cacic 6-1 2-6 6-1 in the Bosnia & Herzegovina F6 qualifying round on clay. The upset overturned the form book — Nikola Cacic came in leading the head-to-head 2–0. Miliaan Niesten claimed a first win over Nikola Cacic in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-06-11 | Serbia F1 | R32 | clay | Nikola Cacic | 2-6 7-5 6-3 |
| 2010-09-27 | Turkey F9 | R32 | hard | Nikola Cacic | 1-0 |
Averages over each player's completed matches in the selected window (82 vs 92). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About