Nicolas Almagro defeated Jack Sock 6-2 6-4 in the Houston quarter-final on clay. The result followed the form book — Nicolas Almagro came in leading the head-to-head 2–1. Nicolas Almagro extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-05-26 | Roland Garros | R128 | clay | Jack Sock | 5-0 |
| 2014-04-07 | Houston | QF | clay | Nicolas Almagro | 6-2 6-4 |
| 2012-08-27 | US Open | R32 | hard | Nicolas Almagro | 7-6 6-7 7-6 6-1 |
Averages over each player's completed matches in the selected window (156 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About