Head to head
1
Hard
0
1
Clay
0
0
Grass
1
Johan Kriek's wins on the left · Leif Shiras's on the right · bar lengths share one scale
All meetings (3)
| 1989 | Wimbledon | Grass | R128 | Leif Shiras | 7-6 6-2 6-2 |
| 1984 | Livingston | Hard | QF | Johan Kriek | 7-6 7-6 |
| 1984 | Forest Hills WCT | Clay | R32 | Johan Kriek | 6-3 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.