Jack Sock defeated Denis Kudla 6-2 6-2 in the Canada Masters round of 64 on hard. The result followed the form book — Jack Sock came in leading the head-to-head 3–2, defending last year's round of 16. Jack Sock extended the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-10-26 | Basel | R32 | hard | Jack Sock | 6-4 6-2 |
| 2015-07-27 | Atlanta | R16 | hard | Denis Kudla | 7-6 6-3 |
| 2012-02-13 | San Jose | R32 | hard | Denis Kudla | 6-4 6-7 6-3 |
| 2011-01-24 | USA F3 | R16 | clay | Jack Sock | 6-4 6-2 |
| 2010-11-08 | USA F30 | R32 | clay | Jack Sock | 7-5 6-4 |
Averages over each player's completed matches in the selected window (199 vs 200). 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