Fernando Yamacita defeated Juan Manuel La Serna 5-7 6-1 7-6 in the M25 Rio Cuarto 1 round of 16 on clay. The upset overturned the form book — Juan Manuel La Serna came in ranked #282, leading the head-to-head 1–0. Fernando Yamacita claimed a first win over Juan Manuel La Serna in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-03-07 | M25 Rio Cuarto 1 | Q16 | clay | Juan Manuel La Serna | 2-6 7-6(3) 11-9 |
Averages over each player's completed matches in the selected window (4 vs 55). 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