Sebastien Grosjean defeated Paul Henri Mathieu 7-5 6-2 6-2 in the Australian Open round of 16 on hard. The upset overturned the form book — Paul Henri Mathieu came in leading the head-to-head 2–1, defending last year's round of 128. Sebastien Grosjean narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-08-25 | US Open | R128 | hard | Paul Henri Mathieu | 6-7(4) 7-6(5) 6-3 6-2 |
| 2007-10-08 | Moscow | R32 | hard | Paul Henri Mathieu | 6-2 6-2 |
| 2006-10-23 | Lyon | R32 | clay | Sebastien Grosjean | 6-3 7-6(3) |
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 (116 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About