Roberto Bautista Agut defeated Jack Sock 6-1 6-3 in the Auckland quarter-final on hard. The upset overturned the form book — Jack Sock came in leading the head-to-head 2–1. Roberto Bautista Agut narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-01-11 | Auckland | F | hard | Roberto Bautista Agut | 6-1 1-0 RET |
| 2015-04-06 | Houston | R16 | clay | Jack Sock | 6-4 6-4 |
| 2015-03-12 | Indian Wells Masters | R32 | hard | Jack Sock | 3-6 6-3 6-2 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (200 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About