Paul Henri Mathieu defeated Stefan Koubek 4-6 7-6 2-6 7-5 8-6 in the Australian Open round of 32 on hard. The upset overturned the form book — Stefan Koubek came in leading the head-to-head 2–1, defending last year's round of 128. Paul Henri Mathieu narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-08-09 | Sopot | R32 | clay | Stefan Koubek | 3-6 6-1 6-3 |
| 2003-09-08 | Bucharest | R32 | clay | Paul Henri Mathieu | 6-2 6-3 |
| 2000-10-16 | Toulouse | R32 | hard | Stefan Koubek | 6-3 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 33). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About