Australia returned to the top of the test world rankings on Wednesday after Steve Smith and Adam Voges steered the tourists to victory in the second test against New Zealand to seal a comprehensive 2-0 series win.
Kiwis and DRS frustrate Australia, but the top of the Test table is now just 131 runs away.
A sensational spell from James Pattinson has moved Australia to within reach of victory in the second Test against New Zealand and the status as the official world No.1 side.
With a flat wicket working in their favour, the pair added 289 runs for third wicket to have Australia 363 for 4 at stump in reply to New Zealand's first innings 370 at Hagley Oval in Christchurch.
New Zealand's McCullum hits fastest test century as New Zealand bowled out for 370 in 2nd Test at Christchurch. Australia were 57 for 1 at stump on day 1.
Australia secured an easy victory in the first test against New Zealand on Monday, thrashing the hosts by an innings and 52 runs after lunch on the fourth day to take a 1-0 lead in the two-match series.
Usman Khawaja and Adam Voges ensured a healthy lead for Australia in the first Test against New Zealand before Trent Boult fought back with the new ball in Wellington on Saturday.
New Zealand crumbled to be all out for 183 as Josh Hazlewood and Peter Siddle ensured Australia took early honours on the opening day of the first Test in Wellington on Friday.
Brendon McCullum ended his ODI career with a series victory over Australia with 55-run win in the deciding third match at Seddon Park in Hamilton on Monday.
