Juan Ignacio Galarza defeated Geronimo Espin Busleiman 6-4 7-5 in the Argentina F10 qualifying round on clay. Juan Ignacio Galarza extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-04-23 | Italy F9 | R32 | clay | Geronimo Espin Busleiman | 2-6 6-1 7-6(2) |
| 2017-06-12 | Argentina F2 | R16 | clay | Juan Ignacio Galarza | 6-7(0) 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.