Gilles Simon defeated Jack Sock 4-6 6-4 7-6 in the Shanghai Masters quarter-final on hard. Gilles Simon extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-10-19 | Stockholm | QF | hard | Jack Sock | 7-5 7-6(5) |
| 2015-05-10 | Rome Masters | R64 | clay | Gilles Simon | 4-6 7-6(2) 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 (200 vs 199). ATP, WTA & Challenger.