Sam Querrey defeated John Isner 6-7 7-6 6-3 in the Memphis final on hard. The upset overturned the form book — John Isner came in leading the head-to-head 5–4. Sam Querrey narrowed the head-to-head to 5–5.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-03-07 | Indian Wells Masters | R64 | hard | John Isner | 7-6(6) 7-6(2) |
| 2021-05-31 | Roland Garros | R128 | clay | John Isner | 7-6(2) 6-3 6-4 |
| 2019-02-25 | Acapulco | R16 | hard | John Isner | 6-4 6-4 |
| 2018-08-13 | Cincinnati Masters | R64 | hard | Sam Querrey | 6-4 6-7(5) 7-6(5) |
| 2016-01-11 | Auckland | R16 | hard | John Isner | 7-6(8) 6-7(4) 6-4 |
| 2015-08-16 | Cincinnati Masters | R64 | hard | Sam Querrey | 6-3 7-6(3) |
| 2015-02-09 | Memphis | QF | hard | Sam Querrey | 7-6(3) 7-6(2) |
| 2010-05-03 | Belgrade | F | hard | Sam Querrey | 3-6 7-6(4) 6-4 |
| 2010-03-11 | Indian Wells Masters | R32 | hard | John Isner | 7-6(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 (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About