
Marin Cilic defeated Stefan Koubek 6-2 7-6 in the Dubai round of 16 on hard. The upset overturned the form book — Stefan Koubek came in leading the head-to-head 1–0. Marin Cilic claimed a first win over Stefan Koubek in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-02-10 | Davis Cup WG R1: AUT vs CRO | RR | clay | Stefan Koubek | 6-1 7-5 |
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
Averages over each player's completed matches in the selected window (199 vs 8). ATP, WTA & Challenger.