Head to head
0
Hard
1
Erik Van Dillen's wins on the left · Dennis Ralston's on the right · bar lengths share one scale
All meetings (2)
| 1972 | San Juan | Hard | RR | Erik Van Dillen | W/O |
| 1970 | Denver | Hard | RR | Dennis Ralston | 6-5 |
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.