Jack Sock advanced when Nicolas Almagro retired 5-0 in the Roland Garros round of 128. Jack Sock claimed a first win over Nicolas Almagro in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-04-07 | Houston | QF | clay | Nicolas Almagro | 6-2 6-4 |
| 2012-08-27 | US Open | R32 | hard | Nicolas Almagro | 7-6(3) 6-7(4) 7-6(2) 6-1 |
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 (199 vs 158). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About