A huge day for the Black Caps as they opted to bat first in the third and final cricket test match against the West Indies at the Bay Oval today.

Tom Latham and Devon Conway put on an absolute clinic registering the second highest opening wicket partnership in Black Caps history at 323 - before Latham was dismissed. 

Conway and night watchman Jacob Duffy saw out the day with New Zealand in control at 334-1.

Newstalk ZB sport news reader Andrew Alderson was at the oval, and he joined D'Arcy to give a day one update. 

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