Head to head
1
Hard
0
1
Carpet
0
Johan Kriek's wins on the left · Stanislav Birner's on the right · bar lengths share one scale
All meetings (2)
| 1987 | Wembley | Carpet | R32 | Johan Kriek | 6-2 3-6 6-4 |
| 1980 | US Open | Hard | R128 | Johan Kriek | 7-5 6-4 6-0 |
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.