Zachary Svajda faces Daniel Altmaier in the US Open round of 128 on hard. Daniel Altmaier holds the paper edge — ranked #57, leading the head-to-head 1–0, defending last year's round of 32.
Clear favourite · Svajda Z. clearly ahead, but no certainty
Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
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.
Averages over each player's completed matches in the selected window (35 vs 36). 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
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Svajda Z.: 15 days rest · Altmaier D.: 3 days rest · 2 matches, 45 games (7d). Higher means fresher. About
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-02-06 | Dallas | R32 | hard | Daniel Altmaier | 6-2 6-4 |
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About