Jamaica, July 21 -- Mitch Owen has crowned a dream debut for Australia with a blistering 26-ball half-century in his first knock for Australia to lead his country to a series-opening T20 win against the West Indies here today.

Owen's (50 off 27) first scoring shot in international cricket was as six off retiring veteran Andre Russell and he proceeded to hit five more to help Australia overhaul West Indies' 8-189 with seven balls to spare.

Cameron Green (51 off 26) also played a crucial hand with five sixes of his own in an 80-run fifth-wicket stand with Owen following Ben Dwarshuis' career-best 4-36 that had earlier put the brakes on the hosts' fast start after they were sent in by Aussie skipper Mitch Marsh.

Tasmanian allrounder Owen, ...