Zhizhen Zhang vs Jan Choinski — Hamburg Round of 32
GBR
Zhang Z.
Zhizhen Zhang defeated Jan Choinski 6-4 7-5 in the Hamburg round of 32 on clay. The upset overturned the form book — Jan Choinski came in ranked #100.
Key context
- Match story: Zhizhen Zhang edged Jan Choinski in two tight sets (6–4 7–5).
Head to head
No previous meetings on record.
Serve vs return
This seasonEach player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Statistics
This seasonAverages over each player's completed matches in the selected window (153 vs 200). ATP, WTA & Challenger.
Clutch
Under pressurePerformance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
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 loadZhang Z.: 19 days rest · Choinski J.: 1 day rest · 3 matches, 67 games (7d). Higher means fresher. About