Head to head
3
Hard
1
3
Clay
4
2
Grass
0
2
Carpet
2
Bjorn Borg's wins on the left · Ilie Nastase's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (18)
| 1980 | WCT Invitational | Carpet | RR | Bjorn Borg | 6-1 6-4 |
| 1979 | Davis Cup EUR SF: ROU vs SWE | Clay | RR | Bjorn Borg | 6-3 6-0 6-0 |
| 1978 | Stockholm | Hard | R16 | Bjorn Borg | 6-4 6-3 |
| 1978 | Tokyo-2 | Carpet | SF | Bjorn Borg | 6-2 6-3 |
| 1978 | Rotterdam WCT | Carpet | QF | Ilie Nastase | W/O |
| 1977 | Wimbledon | Grass | QF | Bjorn Borg | 6-0 8-6 6-3 |
| 1976 | US Open | Clay | SF | Bjorn Borg | 6-3 6-3 6-4 |
| 1976 | Wimbledon | Grass | F | Bjorn Borg | 6-4 6-2 9-7 |
| 1976 | WCT Challenge Cup | Hard | SF | Ilie Nastase | 6-1 3-6 4-6 6-3 6-4 |
| 1975 | Masters | Carpet | F | Ilie Nastase | 6-2 6-2 6-1 |
| 1975 | Stockholm-2 | Hard | QF | Bjorn Borg | 6-4 6-4 |
| 1975 | World Invitational Tennis Classic | Clay | SF | Ilie Nastase | 6-3 5-7 6-4 |
| 1974 | World Invitational Tennis Classic | Carpet | F | Ilie Nastase | 7-6 6-3 |
| 1974 | Madrid | Clay | F | Ilie Nastase | 6-4 5-7 6-2 4-6 6-4 |
| 1974 | Rome | Clay | F | Bjorn Borg | 6-3 6-4 6-2 |
| 1973 | Stockholm | Hard | R16 | Bjorn Borg | 6-2 4-6 7-5 |
| 1973 | Monte-Carlo | Clay | F | Ilie Nastase | 6-4 6-1 6-2 |
| 1972 | Bastad | Clay | QF | Ilie Nastase | 6-2 7-6 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.