Mariano Kestelboim defeated Alejo Lorenzo Lingua Lavallen 7-5 6-4 in the M25 Lujan 1 quarter-final on clay. The result followed the form book — Mariano Kestelboim came in ranked #736, leading the head-to-head 2–1. Mariano Kestelboim extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-02-27 | M25 Yerba Buena 1 | R16 | clay | Mariano Kestelboim | 6-3 7-6(8) |
| 2024-05-19 | M15 Neuquen 1 | F | clay | Alejo Lorenzo Lingua Lavallen | 6-3 7-6(2) |
| 2023-09-07 | M15 Olavarria 1 | R16 | clay | Mariano Kestelboim | 6-3 6-2 |
Averages over each player's completed matches in the selected window (52 vs 10). 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