Jack Sock defeated Tommy Haas 6-4 3-6 6-3 in the Houston round of 16 on clay. The result followed the form book — Jack Sock came in defending last year's final. Jack Sock extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-01-06 | Auckland | R16 | hard | Jack Sock | 6-4 6-4 |
| 2013-05-27 | Roland Garros | R64 | clay | Tommy Haas | 7-6(3) 6-2 7-5 |
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 (199 vs 19). ATP, WTA & Challenger.