Juan Ignacio Chela defeated Juan Monaco 6-4 2-6 7-5 in the Costa Do Sauipe quarter-final on hard. The upset overturned the form book — Juan Monaco came in leading the head-to-head 6–1, defending last year's semi-final. Juan Ignacio Chela narrowed the head-to-head to 6–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-02-22 | Acapulco | R16 | hard | Juan Monaco | 6-4 7-6(4) |
| 2010-02-15 | Buenos Aires | R16 | clay | Juan Monaco | 7-6(3) 4-6 6-2 |
| 2010-02-01 | Santiago | R16 | clay | Juan Monaco | 6-3 7-5 |
| 2006-02-27 | Acapulco | R32 | hard | Juan Ignacio Chela | 4-6 7-6(4) 3-0 RET |
| 2006-02-20 | Costa Do Sauipe | QF | hard | Juan Monaco | 6-3 6-2 |
| 2005-02-21 | Acapulco | R32 | hard | Juan Monaco | 6-2 6-3 |
| 2004-02-16 | Buenos Aires | R16 | clay | Juan Monaco | 7-6(4) 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 (200 vs 200). ATP, WTA & Challenger.