TENNISGOAT

Head to head

vs

🇨🇭 Jakob Hlasek

4

5 titles · 0 Slams

🇳🇱 Jan Siemerink

3

4 titles · 0 Slams

1
Clay
0
1
Grass
0
2
Carpet
3

Jakob Hlasek's wins on the left · Jan Siemerink's on the right · bar lengths share one scale

Momentum

Jakob Hlasek leads ↑ Jan Siemerink leads ↓

Running lead across all meetings, oldest to newest (walkovers excluded).

All meetings (7)

1996 Roland Garros Clay R64 Jakob Hlasek 6-2 1-6 6-3 7-6(3)
1996 Antwerp Carpet R32 Jan Siemerink 6-3 7-6(2)
1995 Copenhagen Carpet R16 Jan Siemerink 7-6(5) 6-7(5) 6-1
1991 Moscow Carpet QF Jakob Hlasek 6-7(5) 6-2 6-2
1991 Stockholm Masters Carpet R32 Jakob Hlasek 4-6 7-6(6) 7-6(4)
1991 Vienna Carpet R16 Jan Siemerink 6-7(6) 7-6(3) 6-3
1991 Rosmalen Grass R16 Jakob Hlasek 7-6(4) 7-5
Methodology

Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.