
Alexander Donski defeated Takuya Kumasaka 7-5, 6-4 in the Round of 32 of the Grodzisk Mazowiecki hard-court tournament. Donski hit 12 aces to Kumasaka's 7 and converted 33% of break points to Kumasaka's 14%. Donski won 84% of first-serve points to Kumasaka's 76%, and he broke Kumasaka's serve 3 times to Kumasaka's 1.
No previous meetings on record.
Averages over each player's completed matches in the selected window (16 vs 10). ATP, WTA & Challenger.
Toss-up · Too close to call
Calibrated model · 63% 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.
Donski A.: 2 days rest · 1 match, 24 games (7d) · Kumasaka T.: 7 days rest · 1 match, 17 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