| 1994-10-03 | Athens | Clay | R32 | 122 |  Marcos Ondruska | 1230 |  George Kalovelonis (WC) | 6-2 6-0 | H2H | 3 | 61 | 1 | 0 | 58.0% | 72.4% | 61.9% | 9/9 |
| 1993-10-04 | Athens | Clay | R32 | 38 |  Andrei Cherkasov (2) | - | George Kalovelonis (WC) | 6-1 6-3 | H2H | 3 | 63 | 0 | 1 | 52.3% | 87.0% | 61.9% | 0/0 |
| 1992-07-17 | Davis Cup G2 QF: GRE vs BUL | Clay | RR | 1022 |  Orlin Stanoytchev | 1085 | George Kalovelonis | 6-3 6-3 | H2H | 3 | - | - | - | - | - | - | - |
| 1992-07-17 | Davis Cup G2 QF: GRE vs BUL | Clay | RR | 1085 | George Kalovelonis | 751 | Milko Petkov | 3-6 7-5 6-2 3-6 7-5 | H2H | 5 | - | - | - | - | - | - | - |
| 1991-09-30 | Athens | Clay | R32 | 90 |  Bart Wuyts | 1109 | George Kalovelonis (WC) | 6-4 3-6 6-3 | H2H | 3 | 125 | 0 | 2 | 88.6% | 64.3% | 22.2% | 2/6 |
| 1991-06-14 | Davis Cup G2 SF: NOR vs GRE | Clay | RR | 1029 |  Christian Ruud | 1052 | George Kalovelonis | 6-3 3-6 6-2 | H2H | 3 | - | - | - | - | - | - | - |
| 1991-06-14 | Davis Cup G2 SF: NOR vs GRE | Clay | RR | 1052 | Bent-Ove Pedersen | 1052 | George Kalovelonis | 6-4 6-3 2-6 3-6 8-6 | H2H | 5 | - | - | - | - | - | - | - |
| 1990-10-01 | Athens | Clay | R32 | 140 |  Jimmy Brown | 1083 | George Kalovelonis | 6-2 6-2 | H2H | 3 | - | - | - | - | - | - | - |
| 1990-05-04 | Davis Cup G2 QF: BUL vs GRE | Clay | RR | 662 | Milen Velev | 1083 | George Kalovelonis | 6-3 6-4 6-0 | H2H | 5 | - | - | - | - | - | - | - |
| 1990-05-04 | Davis Cup G2 QF: BUL vs GRE | Clay | RR | 909 | Ivan Keskinov | 1083 | George Kalovelonis | 6-2 6-3 | H2H | 3 | - | - | - | - | - | - | - |
