Jack Sock advanced when Yoshihito Nishioka retired 6-7 4-0 in the Washington round of 64. Jack Sock extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-08-30 | US Open | R128 | hard | Jack Sock | 6-7(5) 6-2 6-4 6-2 |
| 2021-07-12 | Newport | R16 | grass | Jack Sock | 6-2 6-3 |
| 2017-03-20 | Miami Masters | R64 | hard | Jack Sock | 2-4 RET |
| 2017-02-27 | Acapulco | R32 | hard | Yoshihito Nishioka | 3-6 6-2 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 (98 vs 197). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.