Juan Manuel La Serna defeated Alvaro Guillen Meza 1-6 6-3 6-1 in the Tigre CH round of 16 on clay. The upset overturned the form book — Alvaro Guillen Meza came in ranked #283, leading the head-to-head 2–0, but Juan Manuel La Serna had been the form player, winning 6 of their last 9 on clay. Juan Manuel La Serna claimed a first win over Alvaro Guillen Meza in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-02-07 | M25 Punta del Este 1 | R32 | clay | Alvaro Guillen Meza | 6-0 6-0 |
| 2023-08-10 | M15 Arequipa 1 | QF | clay | Alvaro Guillen Meza | 6-4 6-4 |
Averages over each player's completed matches in the selected window (26 vs 21). ATP, WTA & Challenger.
La Serna J.: 1 day rest · 2 matches, 29 games (7d) · Guillen Meza A.: 3 days rest · 1 match, 18 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About