Head to head
1
Hard
0
1
Carpet
1
Johan Kriek's wins on the left · Buster C. Mottram's on the right · bar lengths share one scale
All meetings (3)
| 1982 | Memphis | Carpet | SF | Johan Kriek | 2-6 6-1 6-4 |
| 1980 | US Open | Hard | R16 | Johan Kriek | 6-4 5-7 6-3 6-4 |
| 1979 | Denver | Carpet | R32 | Buster C. Mottram | 7-6 6-4 |
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.