Roko Horvat defeated Admir Kalender 6-3 3-6 6-1 in the M15 Celje 1 final on clay. The upset overturned the form book — Admir Kalender came in leading the head-to-head 1–0. Roko Horvat claimed a first win over Admir Kalender in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-06-13 | M15 Litija 1 | R32 | clay | Admir Kalender | 1-6 6-3 6-4 |
Averages over each player's completed matches in the selected window (30 vs 58). 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