Head to head
2
Hard
1
0
Clay
3
0
Grass
1
1
Carpet
1
Ilie Nastase's wins on the left · Ken Rosewall's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (9)
| 1977 | WCT Tournament of Champions | Clay | QF | Ken Rosewall | 6-3 6-3 |
| 1977 | St. Louis WCT | Carpet | QF | Ilie Nastase | 6-7(5) 7-5 6-3 |
| 1976 | Hong Kong | Hard | F | Ken Rosewall | 1-6 6-4 7-6 6-0 |
| 1976 | WCT Challenge Cup | Hard | RR | Ilie Nastase | 6-0 6-2 6-2 |
| 1975 | North Conway | Clay | SF | Ken Rosewall | 7-5 1-6 7-6 |
| 1975 | Tucson | Hard | SF | Ilie Nastase | 3-6 7-5 6-2 |
| 1970 | Cincinnati | Clay | SF | Ken Rosewall | 6-0 6-3 |
| 1969 | US Open | Grass | R16 | Ken Rosewall | 6-1 7-5 4-6 6-3 |
| 1969 | Philadelphia | Carpet | R32 | Ken Rosewall | 6-1 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.