
Nik Razborsek defeated Zdenek Kolar 7-6 6-4 in the Croatia F2 round of 16 on clay. The upset overturned the form book — Zdenek Kolar came in leading the head-to-head 1–0, but Nik Razborsek had been the form player, winning 2 of their last 5 on clay. Nik Razborsek claimed a first win over Zdenek Kolar in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-03-09 | Croatia F4 | Q32 | clay | Zdenek Kolar | 6-3 6-2 |
Averages over each player's completed matches in the selected window (63 vs 199). 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