Nicolas Massu defeated Mardy Fish 6-4 7-6 in the Dusseldorf round robin on clay. The result followed the form book — Nicolas Massu came in leading the head-to-head 2–1, defending last year's round-robin. Nicolas Massu extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-03-25 | Miami Masters | R64 | hard | Nicolas Massu | 5-7 7-6(4) 6-2 |
| 2004-08-16 | Athens Olympics | F | hard | Nicolas Massu | 6-3 3-6 2-6 6-3 6-4 |
| 2002-08-19 | Long Island | R16 | hard | Mardy Fish | 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 (84 vs 200). ATP, WTA & Challenger.