John Isner defeated Juan Monaco 1-6 6-4 6-4 in the Houston semi-final on clay. The result followed the form book — John Isner came in leading the head-to-head 2–1, defending last year's final. John Isner extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-04-09 | Houston | F | clay | Juan Monaco | 6-2 3-6 6-3 |
| 2012-03-08 | Indian Wells Masters | R32 | hard | John Isner | 7-5 7-5 |
| 2010-01-11 | Auckland | R16 | hard | John Isner | 5-7 6-4 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 (200 vs 157). ATP, WTA & Challenger.