Mariano Kestelboim defeated Guido Ivan Justo 7-6 6-2 in the M15 Neuquen 1 semi-final on clay. Mariano Kestelboim extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-09-08 | M15 Olavarria 1 | QF | clay | Guido Ivan Justo | 3-6 6-3 6-1 |
| 2020-02-27 | M25 Cordoba 1 | R16 | clay | Mariano Kestelboim | 6-1 1-0 |
Averages over each player's completed matches in the selected window (78 vs 103). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Ivan Justo G.: 4 days rest · 2 matches, 34 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About