
Gael Monfils defeated Stefan Koubek 6-4 6-4 3-6 6-2 in the Australian Open round of 64 on hard. The upset overturned the form book — Stefan Koubek came in leading the head-to-head 1–0, defending last year's round of 32. Gael Monfils claimed a first win over Stefan Koubek in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-08-22 | New Haven | R32 | hard | Stefan Koubek | 4-6 7-5 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 25). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About