Juan Ignacio Londero defeated Mateo Nicolas Martinez 7-6 7-5 in the Argentina F9 round of 16 on clay. The upset overturned the form book — Mateo Nicolas Martinez came in leading the head-to-head 2–1. Juan Ignacio Londero narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-12-02 | Venezuela F9 | SF | clay | Juan Ignacio Londero | 6-1 6-2 |
| 2012-08-06 | Argentina F19 | QF | clay | Mateo Nicolas Martinez | 6-1 7-6(4) |
| 2012-04-02 | Argentina F6 | R16 | clay | Mateo Nicolas Martinez | 6-0 6-4 |
Averages over each player's completed matches in the selected window (200 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