Sergio Roitman defeated Nicolas Massu 6-7 7-6 6-3 in the Vina del Mar round of 32 on clay. The upset overturned the form book — Nicolas Massu came in leading the head-to-head 2–1, defending last year's final, but Sergio Roitman had been the form player, winning 1 of their last 6 on clay. Sergio Roitman narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-07-23 | Kitzbuhel | R32 | clay | Sergio Roitman | 7-5 6-2 |
| 2007-04-23 | Casablanca | R32 | clay | Nicolas Massu | 6-2 6-3 |
| 2007-01-29 | Vina del Mar | QF | clay | Nicolas Massu | 0-6 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 (32 vs 50). ATP, WTA & Challenger.