Head to head
2
Hard
1
1
Clay
2
3
Carpet
1
Harold Solomon's wins on the left · Erik Van Dillen's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (11)
| 1980 | Rancho Mirage | Hard | R32 | Harold Solomon | 6-2 6-3 |
| 1979 | Roland Garros | Clay | R128 | Harold Solomon | 6-3 6-2 7-5 |
| 1976 | Paris | Hard | R16 | Erik Van Dillen | 3-6 6-4 6-4 |
| 1976 | Lagos WCT | Hard | R16 | Harold Solomon | 7-5 6-0 |
| 1975 | Tokyo WCT | Carpet | R32 | Harold Solomon | 6-2 5-7 7-6(5) |
| 1975 | Toronto WCT | Carpet | SF | Harold Solomon | 6-4 6-2 |
| 1975 | Dayton | Carpet | QF | Erik Van Dillen | 5-7 7-6 6-4 |
| 1974 | London-2 | Carpet | R16 | Harold Solomon | 4-6 6-3 7-6 |
| 1974 | Washington-2 | Clay | R32 | Harold Solomon | W/O |
| 1973 | Toronto-2 | Clay | R64 | Erik Van Dillen | 6-7(6) 6-2 6-2 |
| 1971 | Cincinnati | Clay | QF | Erik Van Dillen | 4-6 6-3 6-2 |
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.