Guido Ivan Justo faces Luciano Emanuel Ambrogi in the San Miguel De Tucuman semi-final on clay. Guido Ivan Justo holds the paper edge — ranked #254, a roughly 120-point clay Elo advantage. Recent clay form is closely matched.
Slight edge · Justo G. narrowly ahead
Calibrated model · 63% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
No previous meetings on record.
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.