| 2004-07-16 | Davis Cup G2 R2: HUN vs NOR | Clay | RR | 261 |  Kornel Bardoczky | - |  Helge Koll | 6-2 6-1 6-1 | H2H | 5 | - | - | - | - | - | - | - |
| 2004-07-16 | Davis Cup G2 R2: HUN vs NOR | Clay | RR | 819 | Gyorgy Balazs | - | Helge Koll | 6-0 6-2 6-4 | H2H | 5 | - | - | - | - | - | - | - |
| 2003-09-19 | Davis Cup G1 PO: NOR vs LUX | Clay | RR | 896 |  Gilles Kremer | - | Helge Koll | 6-4 RET | H2H | 5 | - | - | - | - | - | - | - |
| 2002-05-03 | Davis Cup G2 R1: NOR vs EGY | Clay | RR | - | Helge Koll | 517 |  Karim Maamoun | 6-2 5-7 6-4 | H2H | 3 | - | - | - | - | - | - | - |
| 2001-04-27 | Davis Cup G2 R1: EST vs NOR | Carpet | RR | - | Helge Koll | - |  Andrei Luzgin | 6-1 6-3 6-7(1) 6-2 | H2H | 5 | - | - | - | - | - | - | - |
| 2001-04-27 | Davis Cup G2 R1: EST vs NOR | Carpet | RR | - | Helge Koll | 1327 | Mait Kunnap | 7-6(3) 7-6(5) 6-3 | H2H | 5 | - | - | - | - | - | - | - |
| 2001-02-12 | Copenhagen | Hard | R32 | 89 |  Antony Dupuis | 376 | Helge Koll (Q) | 7-6(2) 6-4 | H2H | 3 | 93 | 6 | 6 | 53.5% | 76.1% | 57.5% | 8/9 |
| 2000-07-21 | Davis Cup G2 QF: GRE vs NOR | Clay | RR | 175 |  Solon Peppas | - | Helge Koll | 6-4 6-4 6-3 | H2H | 5 | - | - | - | - | - | - | - |
| 1999-04-30 | Davis Cup G2 R1: NOR vs TUR | Carpet | RR | - | Helge Koll | 658 |  Erhan Oral | 6-1 6-1 6-2 | H2H | 5 | - | - | - | - | - | - | - |
| 1997-09-19 | Davis Cup G2 SF: POR vs NOR | Clay | RR | 212 |  Bernardo Mota | - | Helge Koll | 6-2 6-3 | H2H | 3 | - | - | - | - | - | - | - |
