Head to head
1
Hard
0
0
Clay
1
3
Carpet
1
Nikola Pilic'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)
| 1973 | Munich WCT | Carpet | R32 | Nikola Pilic | 5-7 7-6(7) 6-3 |
| 1972 | Essen WCT | Carpet | R16 | Nikola Pilic | 7-6 6-3 |
| 1972 | Los Angeles-2 | Hard | R64 | Nikola Pilic | 6-4 6-3 |
| 1972 | Denver WCT | Carpet | R32 | Allan Stone | 7-6 7-5 |
| 1971 | Bologna WCT | Carpet | R64 | Nikola Pilic | 6-3 6-3 |
| 1969 | Roland Garros | Clay | R64 | Allan Stone | 4-6 5-7 6-3 6-3 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.