Former champion and current world No 7 Adam Scott has added his name to an already impressive field gearing up to compete for the Australian Open title.

The Australian, with Tiger Woods's former caddie New Zealander Steve Williams on his bag, impressively won the Bridgestone Invitational over world No 1 Luke Donald and American media darling Rickie Fowler.

"To claim the Stonehaven Cup in one of the biggest years of Australian golf would be an unbelievable achievement," Scott said.

He will join Tiger Woods and Dustin Johnson at this year's Australian Open in Sydney, organisers said on Thursday.

Also confirmed for the tournament are former world No 1 Tiger Woods, Dustin Johnson, Bubba Watson, defending champion Geoff Ogilvy and rising Australian star and world No 8 Jason Day.

The Aussie Open is scheduled to take place the week before the Presidents Cup and American captain Fred Couples has indicated that his entire team will be taking part in Australia's national Open as a warm-up, further strengthening of the field, and it won't be surprising if the International team follow suit.