Head to head
Rivalry summary
Sander Groen and Joost Winnink met 2 times on the ATP tour between 1995 and 1996. Joost Winnink leads the head-to-head 2–0 against Sander Groen.
0
Hard
1
0
Carpet
1
Sander Groen's wins on the left · Joost Winnink's on the right · bar lengths share one scale
All meetings (2)
| 1996 | New Delhi | Hard | R32 | Joost Winnink | 6-4 6-3 |
| 1995 | Rotterdam | Carpet | R32 | Joost Winnink | 6-3 6-1 |
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.