Jack Sock defeated David Ferrer 3-6 6-1 6-2 in the Auckland semi-final on hard. The upset overturned the form book — David Ferrer came in leading the head-to-head 2–1. Jack Sock narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-05-14 | Rome Masters | R64 | clay | Jack Sock | 6-3 6-4 |
| 2017-08-07 | Canada Masters | R32 | hard | David Ferrer | 7-6(7) 3-6 6-1 |
| 2013-10-14 | Stockholm | R16 | hard | David Ferrer | 4-6 6-3 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 147). ATP, WTA & Challenger.