
Ethan Quinn defeated Thiago Monteiro 2-6 7-6 7-6 in the Madrid Masters qualifying round 2 on clay. The result followed the form book — Ethan Quinn came in ranked #50, leading the head-to-head 1–0. Ethan Quinn extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-04-23 | Madrid Masters | Q2 | clay | Ethan Quinn | 2-6 7-6(5) 7-6(0) |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.