Mariano Kestelboim defeated Esteban Bruna 6-4 6-4 in the Argentina F15 qualifying round of 64 on clay. The result followed the form book — Mariano Kestelboim came in leading the head-to-head 3–0. Mariano Kestelboim extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-11-26 | M15 Maldonado 1 | R32 | clay | Mariano Kestelboim | 6-4 6-2 |
| 2019-05-01 | M15 Buenos Aires 1 | R32 | clay | Mariano Kestelboim | 6-0 6-1 |
| 2014-11-24 | Chile F8 | Q32 | clay | Mariano Kestelboim | 6-3 6-0 |
Averages over each player's completed matches in the selected window (199 vs 58). 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