Daniel Vacek defeated Jan Siemerink 6-1 6-4 in the 1998 Cincinnati Open round of 16 on hard courts.
Match Statistics
| 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 |
Player Comparison
| Field | Daniel Vacek | Jan Siemerink |
| Country |
CZE
|
NED
|
| Birth date | Apr 1, 1971 | Apr 14, 1970 |
| Age | 27 | 28 |
| Height | 190 cm | 183 cm |
| Handedness | Right-Handed | Left-Handed |
| Backhand style | — | — |
| Ranking (entering) | 53 | 20 |
| Ranking points (entering) | 795 | 1,438 |
| Elo (entering) | 1,742 | 1,840 |
| Current career W-L | 171–220 | 261–262 |
| Current career earnings | $4,803,388 | $4,347,693 |
Path
Daniel Vacek's path
Daniel Vacek's next match