Head to head
1
Hard
0
3
Clay
0
1
Carpet
0
Ilie Nastase's wins on the left · Nicholas Kalogeropoulos's on the right · bar lengths share one scale
All meetings (5)
| 1973 | Washington-2 | Carpet | QF | Ilie Nastase | 6-2 6-3 |
| 1973 | Calgary | Hard | QF | Ilie Nastase | 7-5 6-2 |
| 1972 | Rome-1 | Clay | R64 | Ilie Nastase | 6-2 6-4 |
| 1970 | Davis Cup EUR QF: ROU vs GRE | Clay | RR | Ilie Nastase | 6-2 7-5 6-4 |
| 1970 | Monte-Carlo | Clay | R16 | Ilie Nastase | 6-2 6-1 |
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.