Jan Siemerink defeated Jakob Hlasek 6-7(6) 7-6(3) 6-3 in the 1991 Vienna Open round of 16 on carpet courts.
Match Statistics
| Stat | Jan Siemerink | Jakob Hlasek |
| Aces | 10 | 8 |
| Double faults | 4 | 5 |
| First serve % | 62 | 61 |
| First serve points won % | 83 | 72 |
| Second serve points won % | 47 | 66 |
| Break points saved % | 33 | 25 |
| Break points converted % | 75 | 67 |
| Service points won % | 69 | 69 |
| Return points won % | 31 | 31 |
| Total points won % | 52 | 48 |
Player Comparison
| Field | Jan Siemerink | Jakob Hlasek |
| Country |
NED
|
SUI
|
| Birth date | Apr 14, 1970 | Nov 12, 1964 |
| Age | 21 | 26 |
| Height | 183 cm | 188 cm |
| Handedness | Left-Handed | Right-Handed |
| Backhand style | — | — |
| Ranking (entering) | 39 | 17 |
| Ranking points (entering) | 751 | 1,275 |
| Elo (entering) | 1,712 | 1,899 |
| Current career W-L | 261–262 | 393–302 |
| Current career earnings | $4,347,693 | $5,890,993 |
Path
Jan Siemerink's path
Jan Siemerink's next match