
Daniel Altmaier defeated Jack Sock 3-6 7-5 7-6 in the Knoxville CH quarter-final on hard. The upset overturned the form book — Jack Sock came in leading the head-to-head 1–0, but Daniel Altmaier had been the form player, winning 2 of their last 4 on hard. Daniel Altmaier claimed a first win over Jack Sock in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-02-14 | Delray Beach | R32 | hard | Jack Sock | 2-6 6-3 6-4 |
Averages over each player's completed matches in the selected window (200 vs 94). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Altmaier D.: 5 days rest · 2 matches, 46 games (7d). Higher means fresher. About
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