Jack Sock defeated Donald Young 6-4 7-6 in the Delray Beach semi-final on hard. The result followed the form book — Jack Sock came in leading the head-to-head 2–0. Jack Sock extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-07-25 | Canada Masters | R32 | hard | Jack Sock | 6-4 6-3 |
| 2015-10-26 | Basel | QF | hard | Jack Sock | 5-7 6-4 6-2 |
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 200). ATP, WTA & Challenger.