By surface
| Surface | Nicholas Kalogeropoulos | Nicola Pietrangeli |
|---|---|---|
| Clay | 0 | 2 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1968-08-19 | ATP | Ortisei | Semifinal | Clay | Nicola Pietrangeli | 4-6 | 3-6 | |||
| 1968-08-12 | ATP | Viareggio | Quarterfinal | Clay | Nicola Pietrangeli | 5-7 | 3-6 |