Jamie Mackenzie vs Jan Kumstat — Hamburg Round of 32
Mackenzie J.
Jan Kumstat defeated Jamie Mackenzie in the Round of 32 at the Hamburg clay court tournament. The match ended with a score of 6-7, 6-3, 6-3 in favor of Kumstat.
Key context
- Match story: Jan Kumstat dropped the opening set before beating Jamie Mackenzie 6–7 6–3 6–3.
Head to head
No previous meetings on record.
Statistics
This seasonAverages over each player's completed matches in the selected window (4 vs 10). ATP, WTA & Challenger.
Win Probability
Pre-match · updated 13:50 UTC50–58%
58–67%
67–80%
80%+
Clear favourite · Kumstat J. clearly ahead, but no certainty
Calibrated model · 63% favourite accuracy (2025–26, out-of-sample). 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.
Freshness
Recent loadMackenzie J.: 7 days rest · 1 match, 31 games (7d) · Kumstat J.: 2 days rest · 5 matches, 131 games (7d). Higher means fresher. About