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

Juan Martin del Potro #19 def. John Isner #134

6-4 6-4

Match Information

Date	Aug 16, 2008*
Tournament	Washington
Category	ATP 500
Surface	Hard
Round	QF
Winner	Juan Martin del Potro
Score	6-4 6-4
Loser	John Isner
Duration	1h 10m

Stat	Juan Martin del Potro	John Isner
Aces	6	7
Double faults	0	1
First serve %	61	71
First serve points won %	83	78
Second serve points won %	79	47
Break points saved %	—	0
Break points converted %	100	—
Service points won %	82	69
Return points won %	31	18
Total points won %	56	44

Pre-match Comparison

Field	Juan Martin del Potro	John Isner
Country	ARG	USA
Birth date	Sep 23, 1988	Apr 26, 1985
Age	19	23
Height	198	208
Handedness	Right-Handed	Right-Handed
Backhand style	Two-Handed Backhand	Two-Handed Backhand
Ranking (entering)	19	134
Ranking points (entering)	1,260	346
Elo (entering)	1,938	1,629
Career W-L	416–172	467–293
Career earnings	$25,896,046	$22,433,361

Pre-match H2H

Juan Martin del Potro 0 – 0 John Isner

Path

Juan Martin del Potro's path

Date	Round	Opponent	Score	W/L	H2H	Match data
Aug 15, 2008	R16	Dudi Sela	6-0 5-7 6-2	W	H2H	Match data
Aug 13, 2008	R32	Jesse Levine	6-2 6-3	W	H2H	Match data

Juan Martin del Potro's next match

Date	Round	Opponent	Score	W/L	H2H	Match data
Aug 16, 2008	SF	Tommy Haas	6-2 6-1	W	H2H	Match data

John Isner's path

Date	Round	Opponent	Score	W/L	H2H	Match data
Aug 15, 2008	R16	Donald Young	6-4 7-6(4)	W	H2H	Match data
Aug 13, 2008	R32	Marcel Granollers	6-3 6-7(5) 7-6(1)	W	H2H	Match data