

Marcos Giron defeated Ethan Quinn 6-3 6-4 in the Delray Beach round of 16 on hard. Marcos Giron extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-09-17 | Chengdu | R32 | hard | Marcos Giron | 7-5 6-4 |
Averages over each player's completed matches in the selected window (90 vs 91). 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
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About