Nicolas Almagro defeated John Isner 6-4 4-6 6-4 3-6 7-5 in the Davis Cup WG SF: ESP vs USA round robin on clay. The upset overturned the form book — John Isner came in leading the head-to-head 2–1. Nicolas Almagro narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-03-19 | Miami Masters | R32 | hard | John Isner | 7-5 6-3 |
| 2013-04-08 | Houston | F | clay | John Isner | 6-3 7-5 |
| 2011-06-20 | Wimbledon | R64 | grass | Nicolas Almagro | 7-6(3) 7-6(5) 6-7(5) 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 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About