Sergio Roitman defeated Juan Ignacio Chela 6-1 6-2 in the Sopot round of 32 on clay. The upset overturned the form book — Juan Ignacio Chela came in leading the head-to-head 4–1, defending last year's quarter-final, but Sergio Roitman had been the form player, winning 1 of their last 5 on clay. Sergio Roitman narrowed the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-07-23 | Kitzbuhel | R16 | clay | Sergio Roitman | 5-7 6-3 6-4 |
| 2007-02-26 | Acapulco | R32 | hard | Juan Ignacio Chela | 6-3 6-2 |
| 1998-11-02 | Paraguay F1 | QF | clay | Juan Ignacio Chela | 6-2 6-0 |
| 1998-05-25 | USA F3 | R64 | clay | Juan Ignacio Chela | 6-1 6-7 6-3 |
| 1997-10-25 | Brazil 4 Masters 2 | R32 | clay | Juan Ignacio Chela | 6-1 3-6 6-0 |
Averages over each player's completed matches in the selected window (65 vs 200). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About