Jiri Vesely defeated Jack Sock 7-5 7-5 6-3 in the Roland Garros round of 128 on clay. The upset overturned the form book — Jack Sock came in leading the head-to-head 3–0, defending last year's round of 32. Jiri Vesely claimed a first win over Jack Sock in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-05-15 | Rome Masters | R32 | clay | Jack Sock | 6-4 3-6 7-6(1) |
| 2017-03-20 | Miami Masters | R32 | hard | Jack Sock | 6-3 7-6(0) |
| 2014-02-10 | Memphis | R16 | hard | Jack Sock | 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 199). ATP, WTA & Challenger.