Federico Delbonis defeated Juan Ignacio Londero 6-2 6-2 in the Buenos Aires CH round of 32 on clay. The upset overturned the form book — Juan Ignacio Londero came in defending last year's round of 32. Federico Delbonis extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-05-03 | Madrid Masters | Q2 | clay | Federico Delbonis | 6-4 6-4 |
| 2020-09-28 | Roland Garros | R128 | clay | Juan Ignacio Londero | 6-4 7-6(1) 2-6 1-6 14-12 |
| 2020-09-07 | Kitzbuhel | R32 | clay | Federico Delbonis | 6-4 6-0 |
| 2019-02-04 | Cordoba | SF | clay | Juan Ignacio Londero | 6-1 6-0 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About