Martin Cuevas defeated Guido Ivan Justo 6-3 6-3 in the Buenos Aires CH qualifying round 2 on clay. The upset overturned the form book — Guido Ivan Justo came in leading the head-to-head 2–0. Martin Cuevas claimed a first win over Guido Ivan Justo in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-10-20 | M15 Monastir 16 | R32 | hard | Guido Ivan Justo | 2-6 6-4 7-5 |
| 2019-09-21 | M15 Buenos Aires 4 | QF | clay | Guido Ivan Justo | 7-5 7-5 |
Averages over each player's completed matches in the selected window (90 vs 200). 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