John Isner defeated Lleyton Hewitt 6-4 4-6 7-6 in the Atlanta semi-final on hard. The upset overturned the form book — Lleyton Hewitt came in leading the head-to-head 4–1. John Isner narrowed the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-07-08 | Newport | SF | grass | Lleyton Hewitt | 5-7 6-2 6-4 |
| 2013-03-07 | Indian Wells Masters | R64 | hard | Lleyton Hewitt | 6-7(6) 6-3 6-4 |
| 2012-07-09 | Newport | F | grass | John Isner | 7-6(1) 6-4 |
| 2010-05-16 | Dusseldorf | RR | clay | Lleyton Hewitt | 6-2 6-4 |
| 2009-10-11 | Shanghai Masters | R64 | hard | Lleyton Hewitt | 6-2 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 85). ATP, WTA & Challenger.