David Nalbandian advanced when John Isner retired 4-5 in the Cincinnati Masters round of 32. David Nalbandian extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-01-16 | Australian Open | R64 | hard | John Isner | 4-6 6-3 2-6 7-6(5) 10-8 |
| 2011-01-10 | Auckland | QF | hard | David Nalbandian | 6-4 7-6(3) |
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 (112 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About