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

John Isner #15 def. Hyeon Chung #47

6-3 6-4 7-5

Match Information

Date	Aug 31, 2017*
Tournament	US Open
Category	Grand Slam
Surface	Hard
Round	R64
Winner	John Isner
Score	6-3 6-4 7-5
Loser	Hyeon Chung
Duration	1h 46m

Stat	John Isner	Hyeon Chung
Aces	30	4
Double faults	2	5
First serve %	73	55
First serve points won %	88	65
Second serve points won %	71	62
Break points saved %	—	25
Break points converted %	75	—
Service points won %	83	63
Return points won %	37	17
Total points won %	58	42

Pre-match Comparison

Field	John Isner	Hyeon Chung
Country	USA	KOR
Birth date	Apr 26, 1985	—
Age	32	—
Height	208	188
Handedness	Right-Handed	Right-Handed
Backhand style	Two-Handed Backhand	—
Ranking (entering)	15	47
Ranking points (entering)	2,425	992
Elo (entering)	1,972	1,861
Career W-L	467–293	71–67
Career earnings	$22,433,361	$3,789,935

Pre-match H2H

John Isner 1 – 0 Hyeon Chung

Path

John Isner's path

Date	Round	Opponent	Score	W/L	H2H	Match data
Aug 30, 2017	R128	Pierre-Hugues Herbert	6-1 6-3 4-6 6-3	W	H2H	Match data

John Isner's next match

Date	Round	Opponent	Score	W/L	H2H	Match data
Sep 3, 2017	R32	Mischa Zverev	4-6 3-6 6-7(5)	L	H2H	Match data

Hyeon Chung's path

Date	Round	Opponent	Score	W/L	H2H	Match data
Aug 30, 2017	R128	Horacio Zeballos	3-6 7-6(8) 6-4 6-3	W	H2H	Match data