Mariano Kestelboim defeated Juan Ignacio Galarza 6-4 6-2 in the M25 Eupen 1 round of 16 on clay. The upset overturned the form book — Juan Ignacio Galarza came in leading the head-to-head 4–1. Mariano Kestelboim narrowed the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-05-15 | Tunisia F19 | SF | clay | Mariano Kestelboim | 7-6(7) 0-1 |
| 2016-11-07 | Argentina F13 | QF | clay | Juan Ignacio Galarza | 7-5 2-6 6-3 |
| 2016-05-23 | Argentina F8 | R16 | clay | Juan Ignacio Galarza | 6-1 1-6 6-1 |
| 2015-08-17 | Argentina F9 | R32 | clay | Juan Ignacio Galarza | 6-3 6-2 |
| 2015-04-20 | Chile F5 | R16 | clay | Juan Ignacio Galarza | 6-0 7-5 |
Averages over each player's completed matches in the selected window (95 vs 20). 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