Matias Soto defeated Guido Ivan Justo 6-2 6-3 in the Santa Cruz De La Sierra CH round of 16 on clay. The upset overturned the form book — Guido Ivan Justo came in ranked #233, defending last year's round of 32, but Matias Soto had been the form player, winning 7 of their last 10 on clay. Matias Soto extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-12-08 | M15 Santiago 3 | F | clay | Guido Ivan Justo | 0-6 7-6(3) 6-0 |
| 2024-08-18 | M25 Arequipa 1 | F | clay | Matias Soto | 6-0 7-6(2) |
Averages over each player's completed matches in the selected window (21 vs 35). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Soto M.: 1 day rest · 1 match, 18 games (7d) · Ivan Justo G.: 20 days rest. 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