Lucio Ratti defeated Carlos Maria Zarate 5-7 6-3 6-4 in the M15 Santiago 3 semi-final on clay. Lucio Ratti claimed a first win over Carlos Maria Zarate in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-10-22 | M15 Santiago 6 | R32 | clay | Carlos Maria Zarate | 6-3 5-7 6-3 |
| 2025-03-16 | M15 Villa Maria 1 | Q64 | clay | Carlos Maria Zarate | 6-4 6-4 |
Averages over each player's completed matches in the selected window (28 vs 33). 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