Mardy Fish defeated Paul Henri Mathieu 6-2 3-6 6-3 6-4 in the US Open round of 64 on hard. The upset overturned the form book — Paul Henri Mathieu came in leading the head-to-head 2–0, defending last year's round of 128. Mardy Fish claimed a first win over Paul Henri Mathieu in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-10-15 | Madrid Masters | R64 | clay | Paul Henri Mathieu | 6-3 2-6 7-5 |
| 2007-03-05 | Indian Wells Masters | R64 | hard | Paul Henri Mathieu | 7-6(4) 4-6 7-6(5) |
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 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About