| Match | Summary | Result | 
| Round 1 | 
| Auckland v Wellington Auckland, 28 Dec 1999
 | Well 111 (41.4) Auck 112/6 (39.4)
 | Auckland won by 4 wickets | 
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| Canterbury v Otago Christchurch, 28 Dec 1999
 | Otago 240/4 (50) Cant 243/5 (49.5)
 | Canterbury won by 5 wickets | 
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| Northern Districts v Central Districts Mt Maunganui, 28 Dec 1999
 | CD 167 (47.1) ND 171/6 (48.1)
 | Northern Districts won by 4 wickets | 
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| Round 2 | 
| Auckland v Central Districts Auckland, 30 Dec 1999
 | CD 123 (40.4) Auck 126/1 (33.3)
 | Auckland won by 9 wickets | 
| 
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| Northern Districts v Canterbury Mt Maunganui, 30 Dec 1999
 | Cant 229/6 (50) ND 209/9 (50)
 | Canterbury won by 20 runs | 
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| Otago v Wellington Alexandra, 30 Dec 1999
 | Otago 233/9 (50) Well 200 (47.1)
 | Otago won by 33 runs | 
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| Round 3 | 
| Central Districts v Canterbury Nelson, 3-4 Jan 2000
 | CD - Cant -
 | Match abandoned without a ball bowled | 
| 
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| Otago v Auckland Alexandra, 3-4 Jan 2000
 | Otago 195 (48.4) Auck 197/7 (48.1)
 | Auckland won by 3 wickets | 
| 
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| Wellington v Northern Districts Wellington, 3-4 Jan 2000
 | Well 216 (49) ND 123/8 (34)
 | Wellington won by 59 runs (D/L method) | 
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| Round 4 | 
| Central Districts v Wellington Waikanae, 5 Jan 2000
 | CD 258/7 (50) Well 192 (43.5)
 | Central Districts won by 66 runs | 
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| Canterbury v Auckland Christchurch, 6 Jan 2000
 | Auck 149 (45.5) Cant 151/3 (42.4)
 | Canterbury won by 7 wickets | 
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| Otago v Northern Districts Alexandra, 6 Jan 2000
 | Otago 127 (47.5) ND 128/1 (31.4)
 | Northern Districts won by 9 wickets | 
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| Round 5 | 
| Central Districts v Otago New Plymouth, 14 Jan 2000
 | Otago 227/7 (50) CD 188 (47)
 | Otago won by 39 runs | 
| 
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| Northern Districts v Auckland Hamilton, 14 Jan 2000
 | ND 192 (48.4) Auck 195/2 (44.2)
 | Auckland won by 8 wickets | 
| 
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| Wellington v Canterbury Wellington, 14 Jan 2000
 | Well 217/7 (50) Cant 205 (49.3)
 | Wellington won by 12 runs | 
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| Round 6 | 
| Canterbury v Central Districts Christchurch, 16 Jan 2000
 | CD 190 (49.1) Cant 191/6 (47.5)
 | Canterbury won by 4 wickets | 
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| Northern Districts v Otago Hamilton, 16 Jan 2000
 | ND 222/8 (50) Otago 199 (48.4)
 | Northern Districts won by 23 runs | 
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| Wellington v Auckland Wellington, 16 Jan 2000
 | Well 150 (45.5) Auck 156/4 (34.5)
 | Auckland won by 6 wickets | 
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| Round 7 | 
| Canterbury v Wellington Christchurch, 19 Jan 2000
 | Cant 270/6 (50) Well 239/9 (50)
 | Canterbury won by 31 runs | 
| 
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| Otago v Central Districts Oamaru, 19 Jan 2000
 | CD 305/6 (50) Otago 290/9 (50)
 | Central Districts won by 15 runs | 
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| Auckland v Northern Districts Auckland, 19-20 Jan 2000
 | ND 295/6 (50) Auck 240 (45.3)
 | Northern Districts won by 55 runs | 
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| Round 8 | 
| Central Districts v Auckland Napier, 21 Jan 2000
 | Auck 295/7 (50) CD 220 (43.4)
 | Auckland won by 75 runs | 
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| Northern Districts v Wellington Whangarei, 21 Jan 2000
 | ND 280/7 (50) Well 282/9 (49.5)
 | Wellington won by 1 wicket | 
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| Otago v Canterbury Invercargill, 21 Jan 2000
 | Cant 258/7 (50) Otago 179 (46.2)
 | Canterbury won by 79 runs | 
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| Round 9 | 
| Auckland v Otago Auckland, 23 Jan 2000
 | Auck 218/7 (50) Otago 213/9 (50)
 | Auckland won by 5 runs | 
| 
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| Canterbury v Northern Districts Christchurch, 23 Jan 2000
 | ND 234 (49.2) Cant 235/6 (48.5)
 | Canterbury won by 4 wickets | 
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| Wellington v Central Districts Wellington, 23 Jan 2000
 | CD 114 (34.5) Well 115/3 (19.1)
 | Wellington won by 7 wickets | 
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| Round 10 | 
| Auckland v Canterbury Auckland, 25-26 Jan 2000
 | Auck 208/8 (50) Cant 212/6 (49.1)
 | Canterbury won by 4 wickets | 
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| Central Districts v Northern Districts Palmerston North, 25-26 Jan 2000
 | ND 207/8 (50) CD 105 (42.5)
 | Northern Districts won by 102 runs | 
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| Wellington v Otago Wellington, 25-26 Jan 2000
 | Otago 134/7 (34) Well 79 (28)
 | Otago won by 54 runs (D/L method) | 
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| Semi Final | 
| Auckland v Northern Districts Auckland, 28 Jan 2000
 | ND 150 (36.2) Auck 151/9 (50)
 | Auckland won by 1 wicket | 
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| Finals | 
| 1st Final: Auckland v Canterbury Auckland, 4 Feb 2000
 | Cant 185/8 (50) Auck 183/9 (50)
 | Canterbury won by 2 runs | 
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| 2nd Final: Canterbury v Auckland Christchurch, 6 Feb 2000
 | Auck 224/6 (50) Cant 225/3 (41.5)
 | Canterbury won by 7 wickets | 
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