Jack Sock defeated Jeremy Chardy 7-6 6-3 in the Stockholm round of 16 on hard. The result followed the form book — Jack Sock came in leading the head-to-head 2–0, defending last year's round of 16. Jack Sock extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-10-16 | Stockholm | R16 | hard | Jack Sock | 6-4 6-4 |
| 2017-01-09 | Auckland | QF | hard | Jack Sock | 5-7 6-4 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 (199 vs 200). ATP, WTA & Challenger.