Cristian Villagran defeated Juan Martin Aranguren 6-7 6-3 6-0 in the Uruguay F1 semi-final on clay. The upset overturned the form book — Juan Martin Aranguren came in leading the head-to-head 2–1, but Cristian Villagran had been the form player, winning 8 of their last 10 on clay. Cristian Villagran narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-03-30 | Italy F5 | R32 | clay | Juan Martin Aranguren | 2-6 6-1 6-4 |
| 2007-04-30 | Argentina F2 | QF | clay | Juan Martin Aranguren | 6-2 6-2 |
| 2006-04-17 | Uruguay F2 | F | clay | Cristian Villagran | 6-2 6-3 |
Averages over each player's completed matches in the selected window (6 vs 1). ATP, WTA & Challenger.
wins 58% of points on serve vs Aranguren J.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About