| 2008-04-11 | Davis Cup G2 R2: KUW vs NZL | Hard | RR | - | Mark Nielsen | - | Ali Ismaeel | 6-4 6-2 | H2H | 3 | - | - | - | - | - | - | - |
| 2006-02-10 | Davis Cup G2 R1: NZL vs LIB | Hard | RR | 305 | Mark Nielsen | - | Karim Alayli | 6-2 6-1 6-2 | H2H | 5 | - | - | - | - | - | - | - |
| 2006-01-09 | Auckland | Hard | R32 | 21 | Mario Ancic (5) | 309 | Mark Nielsen (WC) | 6-1 6-2 | H2H | 3 | 77 | 10 | 1 | 47.9% | 78.3% | 72.0% | 2/2 |
| 2005-09-23 | Davis Cup G2 F: NZL vs KOR | Hard | RR | 105 | Hyung-Taik Lee | 341 | Mark Nielsen | 6-2 7-6(8) 6-3 | H2H | 5 | - | - | - | - | - | - | - |
| 2005-09-23 | Davis Cup G2 F: NZL vs KOR | Hard | RR | 341 | Mark Nielsen | 364 | Kyu Tae Im | 0-6 4-6 6-4 6-0 5-2 RET | H2H | 5 | - | - | - | - | - | - | - |
| 2005-03-04 | Davis Cup G2 R1: NZL vs KAZ | Hard | RR | 543 | Mark Nielsen | 1478 | Dmitriy Makeyev | 6-0 6-2 6-3 | H2H | 5 | - | - | - | - | - | - | - |
| 2005-07-15 | Davis Cup G2 R2: NZL vs KUW | Hard | RR | 414 | Mark Nielsen | - | Abdullah Maqdes | 7-6(1) 1-6 6-4 6-1 | H2H | 5 | - | - | - | - | - | - | - |
| 2005-01-10 | Auckland | Hard | R32 | 73 | Potito Starace | 617 | Mark Nielsen (WC) | 6-4 6-4 | H2H | 3 | 77 | 5 | 1 | 84.7% | 68.0% | 77.8% | 3/4 |
| 2004-09-24 | Davis Cup G1 PO: PAK vs NZL | Clay | RR | 577 | Mark Nielsen | 204 | Aisam-Ul-Haq Qureshi | 6-4 6-7(1) 6-2 5-7 6-4 | H2H | 5 | - | - | - | - | - | - | - |
| 2004-09-24 | Davis Cup G1 PO: PAK vs NZL | Clay | RR | 577 | Mark Nielsen | 368 | Aqeel Khan | 6-0 6-2 6-2 | H2H | 5 | - | - | - | - | - | - | - |