By surface
| Surface | Allan Stone | Nicola Pietrangeli |
|---|---|---|
| Clay | 0 | 2 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1969-05-12 | ATP | Barcelona | Round of 16 | Clay | Nicola Pietrangeli | 6-2 | 4-6 | 6-3 | 2-6 | 1-6 |
| 1968-04-22 | ATP | Naples | Round of 16 | Clay | Nicola Pietrangeli | 6-2 | 6-8 | 3-6 |