Head to head
1
Hard
2
0
Clay
1
2
Carpet
2
Erik Van Dillen's wins on the left · Robert Lutz's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (8)
| 1978 | Palm Springs | Hard | R32 | Robert Lutz | 6-3 6-4 |
| 1975 | Houston WCT | Clay | R32 | Robert Lutz | 6-2 5-7 7-5 |
| 1975 | Toronto WCT | Carpet | QF | Erik Van Dillen | 7-6(4) 6-4 |
| 1975 | Philadelphia WCT | Carpet | R64 | Robert Lutz | 6-4 1-6 6-4 |
| 1975 | Baltimore | Carpet | QF | Robert Lutz | 6-3 7-6 |
| 1970 | New Orleans | Carpet | QF | Erik Van Dillen | 6-3 6-3 |
| 1970 | Denver | Hard | RR | Robert Lutz | 6-3 |
| 1969 | Sacramento | Hard | QF | Erik Van Dillen | 5-7 6-2 6-3 |
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.