Gonzalo Villanueva defeated Gilbert Soares Klier Junior 7-5 6-4 in the Buenos Aires CH qualifying round 1 on clay. The result followed the form book — Gonzalo Villanueva came in ranked #322, defending last year's quarter-final. Gonzalo Villanueva claimed a first win over Gilbert Soares Klier Junior in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-09-01 | M15 Buenos Aires 1 | QF | clay | Gilbert Soares Klier Junior | 6-3 6-1 |
Averages over each player's completed matches in the selected window (170 vs 30). 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