| 1981-05-08 | Davis Cup EUR R1: EGY vs GRE | Clay | RR | 303 |  Ismail El Shafei | 696 |  Nicholas Kalogeropoulos | 6-1 6-3 | H2H | 3 | - | - | - | - | - | - | - |
| 1981-05-08 | Davis Cup EUR R1: EGY vs GRE | Clay | RR | 698 | Tarek El Sakka | 696 | Nicholas Kalogeropoulos | 6-4 6-3 6-8 6-2 | H2H | 5 | - | - | - | - | - | - | - |
| 1980-03-10 | San Jose | Hard | R32 | 130 |  John Austin (8) | 524 | Nicholas Kalogeropoulos | 6-4 6-4 | H2H | 3 | - | - | - | - | - | - | - |
| 1979-09-14 | Davis Cup EUR PR: GRE vs URS | - | RR | 454 |  Alex Metreveli | 477 | Nicholas Kalogeropoulos | 6-3 5-7 6-4 7-5 | H2H | 5 | - | - | - | - | - | - | - |
| 1979-09-14 | Davis Cup EUR PR: GRE vs URS | - | RR | - |  Alexander Zverev Sr. | 477 | Nicholas Kalogeropoulos | 6-0 6-3 6-3 | H2H | 5 | - | - | - | - | - | - | - |
| 1979-03-19 | San Jose-1 | Hard | R16 | 161 | Bruce Kleege | - | Nicholas Kalogeropoulos | 6-4 6-2 | H2H | 3 | - | - | - | - | - | - | - |
| 1979-03-19 | San Jose-1 | Hard | R32 | - | Nicholas Kalogeropoulos | 69 | Bill Scanlon | 7-6 6-3 | H2H | 3 | - | - | - | - | - | - | - |
| 1978-09-15 | Davis Cup EUR PR: GRE vs DEN | Clay | RR | 332 |  Lars Elvstrom | - | Nicholas Kalogeropoulos | 6-3 1-0 RET | H2H | 5 | - | - | - | - | - | - | - |
| 1977-09-16 | Davis Cup EUR PR: NED vs GRE | Clay | RR | - | Nicholas Kalogeropoulos | 382 |  Wouter Fok | 6-4 0-6 7-5 3-6 6-3 | H2H | 5 | - | - | - | - | - | - | - |
| 1977-09-16 | Davis Cup EUR PR: NED vs GRE | Clay | RR | 200 | Louk Sanders | - | Nicholas Kalogeropoulos | 8-6 6-4 3-6 8-6 | H2H | 5 | - | - | - | - | - | - | - |
