Federico Delbonis defeated Leonardo Mayer 6-4 6-7 6-3 in the Cordoba round of 32 on clay. The upset overturned the form book — Leonardo Mayer came in leading the head-to-head 3–0. Federico Delbonis claimed a first win over Leonardo Mayer in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-07-24 | Hamburg | SF | clay | Leonardo Mayer | 6-3 7-5 |
| 2011-02-14 | Buenos Aires | R32 | clay | Leonardo Mayer | 7-6 7-5 |
| 2010-01-09 | Sydney | Q32 | hard | Leonardo Mayer | 7-6(3) 6-3 |
Averages over each player's completed matches in the selected window (200 vs 73). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About