Head to head
1
Clay
0
1
Grass
0
1
Carpet
3
Erik Van Dillen's wins on the left · Cliff Drysdale's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1976 | Barcelona WCT | Carpet | QF | Cliff Drysdale | 7-5 6-3 |
| 1976 | Philadelphia WCT | Carpet | R64 | Cliff Drysdale | 7-5 6-4 |
| 1975 | Washington WCT | Carpet | R32 | Cliff Drysdale | 6-1 7-6(0) |
| 1974 | Munich WCT | Carpet | R32 | Erik Van Dillen | 6-2 6-3 |
| 1973 | Nottingham | Grass | R64 | Erik Van Dillen | 6-3 6-4 |
| 1973 | Roland Garros | Clay | R64 | Erik Van Dillen | 6-1 3-6 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.