Hernan Casanova defeated Andrea Collarini 4-6 6-3 6-2 in the Santiago q32 on clay. The upset overturned the form book — Andrea Collarini came in leading the head-to-head 4–3, but Hernan Casanova had been the form player, winning 7 of their last 10 on clay. Hernan Casanova narrowed the head-to-head to 4–4.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-03-08 | Santiago | Q1 | clay | Hernan Casanova | 4-6 6-3 6-2 |
| 2021-02-20 | Cordoba | Q32 | clay | Andrea Collarini | 6-2 7-6(3) |
| 2018-04-16 | Italy F8 | F | clay | Hernan Casanova | 7-6(5) 6-2 |
| 2017-05-15 | Italy F13 | SF | clay | Andrea Collarini | 7-6(3) 6-4 |
| 2016-05-16 | Argentina F7 | F | clay | Hernan Casanova | 4-6 6-4 6-4 |
| 2013-05-20 | Argentina F7 | R16 | clay | Andrea Collarini | 6-2 6-3 |
| 2012-06-11 | Argentina F12 | R32 | clay | Andrea Collarini | 6-4 6-2 |
Averages over each player's completed matches in the selected window (177 vs 199). 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