West Indian batting marvel Brian Lara overcame a nagging wrist injury to smash the highest one-day international score ever at Adelaide Oval and lead his team to its first victory of the Tri-Series against Pakistan.

Captain Lara breathed life back into his team's ailing tour, by blazing 156 from 138 balls, as the West Indies made an imposing total of 4-339, the highest individual and team scores ever recorded on Adelaide Oval.

Pakistan then made 9-281, giving the West Indies a 58-run win, meaning Australia's opponent in the finals will not be decided until the final preliminary match, between Pakistan and the West Indies in Perth next Tuesday.

"I enjoyed batting today and I enjoyed the fact that I went out there and did something for the team, so I'm quite happy," Lara said.

"But that's all in the past now, I'm looking forward to Tuesday and another good performance from the 11 guys that take the field."

The Windies came away from the match with renewed confidence, but also with several injury concerns, with batsman Ramnaresh Sarwan (bruised elbow) struck while batting, and opening bowlers Pedro Collins (thigh strain) and Ian Bradshaw (sore heel) also under clouds, along with Lara's wrist complaint.

The injury gave him some discomfort as he made a scratchy start to the innings, taking 81 balls to reach his half-century.

But he steadily increased the ferocity of his attack on the bowlers and by the end of his innings he was a one-man scoring whirlwind.

He blazed 56 runs from the last 21 balls he faced, including five fours and four sixes, one of them an astonishing one-handed swipe over point off medium-pacer Azhar Mahmood in the 46th over.

"Early on I still got a feeling of pain in my wrist, the ball wasn't coming off the bat properly, the bat had a bit of a split on it, maybe that was the reason," Lara said.

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