Head to head
1
Hard
0
1
Clay
0
Jurgen Fassbender's wins on the left · Nicholas Kalogeropoulos's on the right · bar lengths share one scale
All meetings (2)
| 1974 | Paramus | Hard | R16 | Jurgen Fassbender | 6-4 6-7 6-3 |
| 1972 | Roland Garros | Clay | R128 | Jurgen Fassbender | 6-3 3-6 3-6 6-4 6-2 |
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.