Juan Ignacio Chela defeated John Isner 6-1 7-6 in the Dusseldorf round robin on clay. The result followed the form book — Juan Ignacio Chela came in leading the head-to-head 2–0. Juan Ignacio Chela extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-05-08 | Rome Masters | R64 | clay | Juan Ignacio Chela | 6-4 6-1 |
| 2008-05-25 | Roland Garros | R128 | clay | Juan Ignacio Chela | 2-6 3-6 7-5 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 (68 vs 200). ATP, WTA & Challenger.