Jack Sock defeated Dominic Thiem 6-2 6-4 in the Paris Masters round of 32 on hard. The upset overturned the form book — Dominic Thiem came in leading the head-to-head 4–0, defending last year's round of 32. Jack Sock claimed a first win over Dominic Thiem in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-09-28 | Roland Garros | R64 | clay | Dominic Thiem | 6-1 6-3 7-6(6) |
| 2018-10-29 | Paris Masters | QF | hard | Dominic Thiem | 4-6 6-4 6-4 |
| 2016-03-07 | Indian Wells Masters | R32 | hard | Dominic Thiem | 7-5 6-7(5) 6-1 |
| 2015-03-25 | Miami Masters | R32 | hard | Dominic Thiem | 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.