DHAKA (AFP) - Paceman John Hastings grabbed four wickets, including a hat-trick, as Australia opened their tour of Bangladesh with a 90-run victory in a practice match on Thursday. Australia scored 308-6 against a Bangladesh Cricket Board team, with new skipper Michael Clarke, Michael Hussey, former captain Ricky Ponting and Brad Haddin all scoring half-centuries. Hastings finished with 4-15 as the hosts were restricted to 218-7. Australia will play three one-day internationals on their current tour, with the opening match starting in Dhaka on Saturday. Brief scores: Australia 308-6 in 50 overs (Mike Hussey 69 not out, R. Ponting 69, B. Haddin 66, Michael Clarke 55) beat Bangladesh Cricket Board XI 218-7 in 50 overs (Maisuqur Rahman 68, Raqibul Hasan 65; J. Hastings 4-15) by 90 runs.