Lleyton Hewitt defeated John Isner 6-2 6-4 in the Dusseldorf round robin on clay. The result followed the form book — Lleyton Hewitt came in leading the head-to-head 3–2. Lleyton Hewitt extended the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-07-22 | Atlanta | SF | hard | John Isner | 6-4 4-6 7-6(5) |
| 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 |
| 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 (162 vs 200). ATP, WTA & Challenger.