Head to head
3
Hard
0
0
Clay
1
Robert Kreiss's wins on the left · Erik Van Dillen's on the right · bar lengths share one scale
All meetings (4)
| 1975 | Cincinnati | Hard | R32 | Robert Kreiss | 6-4 7-5 |
| 1974 | Los Angeles | Hard | R32 | Robert Kreiss | 7-6 7-5 |
| 1974 | Columbus | Hard | R32 | Robert Kreiss | 6-4 6-3 |
| 1974 | Bournemouth | Clay | R64 | Erik Van Dillen | 6-1 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.