Site data updated: 2026-05-28 18:14 UTC

Zhizhen Zhang #79 def. Jan Choinski #151

6-4 7-5

Match Information

Date	Jul 27, 2023*
Tournament	Hamburg
Category	ATP 500
Surface	Clay
Round	R32
Winner	Zhizhen Zhang
Score	6-4 7-5
Loser	Jan Choinski
Duration	1h 53m

Stat	Zhizhen Zhang	Jan Choinski
Aces	4	4
Double faults	2	3
First serve %	56	78
First serve points won %	70	66
Second serve points won %	61	29
Break points saved %	80	81
Break points converted %	19	20
Service points won %	66	58
Return points won %	42	34
Total points won %	52	48

Pre-match Comparison

Field	Zhizhen Zhang	Jan Choinski
Country	CHN	GBR
Birth date	—	Jun 10, 1996
Age	—	27
Height	193	196
Handedness	Right-Handed	Right-Handed
Backhand style	—	—
Ranking (entering)	79	151
Ranking points (entering)	737	408
Elo (entering)	1,644	1,534
Career W-L	57–74	5–14
Career earnings	$4,592,548	$1,277,081

Pre-match H2H

Zhizhen Zhang 0 – 0 Jan Choinski

Path

Zhizhen Zhang's path

No prior matches in this tournament.

Zhizhen Zhang's next match

Date	Round	Opponent	Score	W/L	H2H	Match data
Jul 28, 2023	R16	Yannick Hanfmann	4-6 6-1 6-4	W	H2H	Match data

Jan Choinski's path

Date	Round	Opponent	Score	W/L	H2H	Match data
Jul 24, 2023	Q2	Daniel Elahi Galan	6-1 4-6 6-4	W	H2H	Match data
Jul 24, 2023	Q1	Marvin Moeller	6-3 6-4	W	H2H	Match data