Head to head
0
Hard
1
1
Carpet
1
Bill Scanlon's wins on the left · Johan Kriek's on the right · bar lengths share one scale
All meetings (4)
| 1989 | Memphis | Hard | R32 | Johan Kriek | 6-1 6-3 |
| 1980 | Frankfurt WCT | Carpet | R16 | Johan Kriek | 7-6 4-6 6-2 |
| 1980 | Philadelphia WCT | Carpet | R16 | Bill Scanlon | 6-4 6-2 |
| 1979 | Little Rock | Hard | QF | Bill Scanlon | W/O |
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.