

Zizou Bergs defeated Marin Cilic 6-4 4-6 6-4 in the CRO vs BEL round robin on hard. The upset overturned the form book — Marin Cilic came in leading the head-to-head 1–0. Zizou Bergs claimed a first win over Marin Cilic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-04-22 | Madrid Masters | R128 | clay | Marin Cilic | 4-6 6-3 6-4 |
Averages over each player's completed matches in the selected window (155 vs 87). 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
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About