Mariano Delfino defeated Sebastian Decoud 6-1 6-4 in the Argentina F3 round of 32 on clay. The upset overturned the form book — Sebastian Decoud came in leading the head-to-head 2–1. Mariano Delfino narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-04-10 | Uruguay F1 | QF | clay | Sebastian Decoud | 6-1 6-1 |
| 2005-09-12 | Argentina F11 | R32 | clay | Sebastian Decoud | 6-4 1-1 |
| 2001-03-19 | Argentina F2 | QF | clay | Mariano Delfino | 7-6(3) 6-2 |
Averages over each player's completed matches in the selected window (1 vs 8). 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