Luis Horna defeated Juan Monaco 7-6 6-3 in the Acapulco round of 16 on hard. The upset overturned the form book — Juan Monaco came in leading the head-to-head 3–2, defending last year's round of 32. Luis Horna narrowed the head-to-head to 3–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-05-20 | Poertschach | SF | clay | Juan Monaco | 6-4 6-4 |
| 2007-02-19 | Buenos Aires | QF | clay | Juan Monaco | 4-6 6-2 6-3 |
| 2006-07-17 | Stuttgart | QF | grass | Juan Monaco | 5-2 RET |
| 2006-05-22 | Poertschach | QF | clay | Luis Horna | 6-3 6-4 |
| 2004-02-23 | Costa Do Sauipe | R16 | hard | Luis Horna | 6-4 6-1 |
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 (23 vs 200). ATP, WTA & Challenger.