

Oleg Prihodko advanced to the M25 Koszalin semifinals with a 6-1, 6-4 win over Daniel Michalski. Prihodko hit 8 aces to Michalski's 1 and converted 38% of break points, compared to Michalski's 0%. Prihodko won 86% of his first-serve points, and he broke Michalski's serve 3 times en route to the victory.
No previous meetings on record.
Averages over each player's completed matches in the selected window (23 vs 16). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Toss-up · Too close to call
Calibrated model (out-of-sample validated). 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.
Michalski D.: 6 days rest · 1 match, 28 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