Jan Sadzik vs Marcel Zielinski — M25 Koszalin Round of 16
Sadzik J.Marcel Zielinski defeated Jan Sadzik 6-1, 6-3 in the Round of 16 at the M25 Koszalin tournament on clay. Zielinski hit one ace and three double faults, while Sadzik had two aces and none of the latter. Zielinski won 88% of his first-serve points and converted 44% of break points, compared to Sadzik's 59% and 0%, respectively; Zielinski also broke Sadzik's serve four times to none in return.
Key context
- Match story: Marcel Zielinski dropped just 4 games past Jan Sadzik.
Head to head
0–1| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-07-06 | M15 Lodz 1 | Q64 | clay | Marcel Zielinski | 6-3 6-2 |
Statistics
This seasonAverages over each player's completed matches in the selected window. ATP, WTA & Challenger.
Win Probability
Pre-match · updated 07:50 UTC50–58%
58–67%
67–80%
80%+
Toss-up · Too close to call
Calibrated model (out-of-sample validated). Probability is a statistical estimate, not a certainty. How it works.
Umpiry Score
Pre-matchThe Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.