Jose Acasuso defeated Nicolas Massu 4-6 7-6 6-4 in the Basel round of 32 on hard. The upset overturned the form book — Nicolas Massu came in leading the head-to-head 3–2, defending last year's semi-final. Jose Acasuso narrowed the head-to-head to 3–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-05-20 | Dusseldorf | RR | clay | Jose Acasuso | 6-3 6-4 |
| 2006-07-10 | Bastad | R16 | clay | Nicolas Massu | 6-4 6-2 |
| 2006-01-30 | Vina del Mar | F | clay | Jose Acasuso | 6-4 6-3 |
| 2004-08-30 | US Open | R128 | hard | Nicolas Massu | 6-4 6-0 6-2 |
| 2003-09-22 | Palermo | R16 | clay | Nicolas Massu | 6-2 3-1 |
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 181). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About