Jason Kubler defeated Jack Sock 6-2 4-6 5-7 7-6 6-3 in the Wimbledon round of 32 on grass. The upset overturned the form book — Jack Sock came in leading the head-to-head 1–0. Jason Kubler claimed a first win over Jack Sock in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-01-09 | USA F1 | F | clay | Jack Sock | 6-1 7-6(5) |
Averages over each player's completed matches in the selected window (180 vs 57). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About