Head to head
1
Hard
4
0
Clay
1
0
Grass
1
0
Carpet
4
Ove Nils Bengtson's wins on the left · Stan Smith's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (11)
| 1979 | Stockholm | Hard | R64 | Stan Smith | 6-1 6-2 |
| 1978 | Vienna | Hard | QF | Stan Smith | 7-6 6-1 |
| 1978 | US Open | Hard | R64 | Stan Smith | 6-2 6-2 |
| 1973 | Gothenburg WCT | Carpet | QF | Stan Smith | 6-2 6-4 |
| 1973 | Toronto WCT | Carpet | QF | Stan Smith | 6-4 6-3 |
| 1972 | Stockholm | Hard | R32 | Stan Smith | 6-7 7-5 6-4 |
| 1972 | Rome-1 | Clay | R64 | Stan Smith | 6-3 6-4 |
| 1972 | Washington-1 | Carpet | R32 | Stan Smith | 6-3 1-6 6-3 |
| 1969 | Queen's Club | Grass | R128 | Stan Smith | 8-6 7-5 |
| 1969 | Dallas | Carpet | SF | Stan Smith | 6-3 7-5 |
| 1969 | San Juan | Hard | R16 | Ove Nils Bengtson | 7-5 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.