
John Isner defeated Cristian Garin 4-6 6-3 6-4 in the Houston semi-final on clay. The upset overturned the form book — Cristian Garin came in leading the head-to-head 2–1. John Isner narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-08-09 | Canada Masters | R32 | hard | John Isner | 4-6 6-3 6-4 |
| 2019-10-28 | Paris Masters | R32 | hard | Cristian Garin | 7-6(5) 7-6(4) |
| 2019-08-05 | Canada Masters | R32 | hard | Cristian Garin | 6-3 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (63 vs 200). ATP, WTA & Challenger.
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.