Xavier Malisse defeated John Isner 7-6 6-7 7-6 in the Houston round of 16 on clay. The upset overturned the form book — John Isner came in leading the head-to-head 3–1, defending last year's quarter-final. Xavier Malisse narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-02-11 | San Jose | QF | hard | John Isner | 7-6(8) 6-2 |
| 2012-08-27 | US Open | R128 | hard | John Isner | 6-3 7-6(5) 5-7 7-6(9) |
| 2012-05-20 | Nice | R16 | clay | John Isner | 7-6(3) 7-6(5) |
| 2010-08-01 | Washington | R16 | hard | Xavier Malisse | 6-4 3-6 7-6(5) |
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 (168 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About