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

Daniel Vacek #53 def. Jan Siemerink #20

6-1 6-4

Match Information

Date	Aug 15, 1998*
Tournament	Cincinnati Masters
Category	Masters 1000
Surface	Hard
Round	R16
Winner	Daniel Vacek
Score	6-1 6-4
Loser	Jan Siemerink
Duration	1h 7m

Stat	Daniel Vacek	Jan Siemerink
Aces	8	2
Double faults	6	2
First serve %	60	52
First serve points won %	94	63
Second serve points won %	43	46
Break points saved %	—	62
Break points converted %	38	—
Service points won %	73	55
Return points won %	45	27
Total points won %	58	42

Pre-match Comparison

Field	Daniel Vacek	Jan Siemerink
Country	CZE	NED
Birth date	Apr 1, 1971	Apr 14, 1970
Age	27	28
Height	190	183
Handedness	Right-Handed	Left-Handed
Backhand style	—	—
Ranking (entering)	53	20
Ranking points (entering)	795	1,438
Elo (entering)	1,742	1,837
Career W-L	170–219	261–260
Career earnings	$4,803,388	$4,347,693

Pre-match H2H

Daniel Vacek 2 – 1 Jan Siemerink

Path

Daniel Vacek's path

Date	Round	Opponent	Score	W/L	H2H	Match data
Aug 13, 1998	R32	Marcelo Rios	6-3 6-2	W	H2H	Match data
Aug 12, 1998	R64	Jason Stoltenberg	6-2 3-6 7-6(8)	W	H2H	Match data

Daniel Vacek's next match

Date	Round	Opponent	Score	W/L	H2H	Match data
Aug 16, 1998	QF	Yevgeny Kafelnikov	4-6 4-6	L	H2H	Match data

Jan Siemerink's path

Date	Round	Opponent	Score	W/L	H2H	Match data
Aug 13, 1998	R32	Wayne Ferreira	7-6(5) 6-4	W	H2H	Match data
Aug 12, 1998	R64	Sjeng Schalken	1-6 6-1 7-6(2)	W	H2H	Match data