| 1983-09-30 | Davis Cup EUR F: YUG vs HUN | Clay | RR | 137 |  Marko Ostoja | - |  Robert Machan | 6-0 3-6 6-2 6-2 | H2H | 5 | - | - | - | - | - | - | - |
| 1983-06-10 | Davis Cup EUR QF: HUN vs ZIM | Clay | RR | - | Robert Machan | - |  Phillip Tuckniss | 6-4 6-0 7-5 | H2H | 5 | - | - | - | - | - | - | - |
| 1983-06-10 | Davis Cup EUR QF: HUN vs ZIM | Clay | RR | 222 | Haroon Ismail | - | Robert Machan | 1-6 2-6 8-6 6-4 6-0 | H2H | 5 | - | - | - | - | - | - | - |
| 1983-07-08 | Davis Cup EUR SF: AUT vs HUN | Clay | RR | 258 |  Peter Feigl | - | Robert Machan | 6-8 2-6 7-5 6-1 6-2 | H2H | 5 | - | - | - | - | - | - | - |
| 1983-07-08 | Davis Cup EUR SF: AUT vs HUN | Clay | RR | 154 | Bernhard Pils | - | Robert Machan | 4-6 6-2 6-1 8-10 6-4 | H2H | 5 | - | - | - | - | - | - | - |
| 1982-10-01 | Davis Cup EUR F: HUN vs DEN | Clay | RR | 317 |  Peter Bastiansen | - | Robert Machan | 4-6 6-2 2-6 6-4 6-2 | H2H | 5 | - | - | - | - | - | - | - |
| 1982-10-01 | Davis Cup EUR F: HUN vs DEN | Clay | RR | 470 | Michael Mortensen | - | Robert Machan | 6-2 3-6 9-7 11-9 | H2H | 5 | - | - | - | - | - | - | - |
| 1981-07-09 | Davis Cup EUR SF: ISR vs HUN | Hard | RR | - | Robert Machan | 258 |  David Schneider | 3-6 6-2 6-2 6-8 7-5 | H2H | 5 | - | - | - | - | - | - | - |
| 1981-09-25 | Davis Cup EUR F: ESP vs HUN | Clay | RR | 60 |  Fernando Luna | - | Robert Machan | 3-6 10-8 6-0 6-2 | H2H | 5 | - | - | - | - | - | - | - |
| 1981-09-25 | Davis Cup EUR F: ESP vs HUN | Clay | RR | 91 | Jose Lopez-Maeso | - | Robert Machan | 6-1 4-6 6-1 9-7 | H2H | 5 | - | - | - | - | - | - | - |
