Head to head
Rivalry summary
Jan Siemerink and Luis Herrera met 2 times on the ATP tour between 1991 and 1992. Jan Siemerink leads the head-to-head 2–0 against Luis Herrera. By surface, Siemerink leads 2–0 on hard.
2
Hard
0
Jan Siemerink's wins on the left · Luis Herrera's on the right · bar lengths share one scale
All meetings (2)
| 1992 | US Open | Hard | R128 | Jan Siemerink | 6-4 3-6 6-2 6-3 |
| 1991 | Singapore | Hard | R16 | Jan Siemerink | 7-6(2) 7-6(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.