

Zachary Svajda defeated Stefan Kozlov in the semifinals of the Washington tournament, winning 7-5, 6-1 on hard courts. Svajda hit 5 aces to Kozlov's 3 and converted 50% of his break points compared to Kozlov's 29%. Svajda won 76% of his first-serve points to Kozlov's 61%, and he broke Kozlov's serve 5 times to Kozlov's 2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-02-10 | Delray Beach | Q1 | hard | Zachary Svajda | 6-3 6-0 |
| 2025-02-08 | Delray Beach | Q16 | hard | Zachary Svajda | 6-3 6-0 |
| 2023-02-06 | Dallas | Q2 | hard | Zachary Svajda | 6-3 6-4 |
Averages over each player's completed matches in the selected window (15 vs 30). ATP, WTA & Challenger.
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.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About