Head to head
3
Clay
0
2
Carpet
1
Ilie Nastase's wins on the left · Allan Stone's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1976 | Baltimore | Carpet | R16 | Ilie Nastase | 6-3 6-3 |
| 1975 | US Open | Clay | R64 | Ilie Nastase | 6-2 6-3 |
| 1974 | Monte-Carlo WCT | Clay | R16 | Ilie Nastase | 2-6 6-4 6-0 |
| 1974 | Munich WCT | Carpet | R32 | Ilie Nastase | 7-6 6-1 |
| 1974 | Rotterdam WCT | Carpet | R32 | Allan Stone | 6-3 1-6 7-5 |
| 1968 | Palermo | Clay | R16 | Ilie Nastase | 6-4 9-7 |
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.