Williamson's consistency, and NZ's fightback

2206 International runs scored by Kane Williamson in 2015, at an average of 64.88. No other batsman has scored 2000 - Joe Root is next with 1997, while Steven Smith has 1950. In his last 17 international innings, Williamson has only once been dismissed under 20, and has ten 50-plus scores.

106.42 Williamson's Test average in 2015: in nine innings he has scored 745 runs, with three centuries and three fifties. (This includes his unbeaten 70 on the second at Perth.) Among all batsmen who have scored 700-plus Test runs in any calendar year, there are only eight instances of them averaging more than Williamson's current average in 2015.

1976 Partnership runs between Williamson and Ross Taylor in Tests, the highest by any pair for New Zealand. They have batted together 42 times, and average 53.40 per completed partnership. The previous highest aggregate was 1951, between Nathan Astle and Stephen Fleming, in 58 innings, at an average of 33.63.

5 Instances when a team has scored more than 559 at the WACA. The highest total here is Australia's 735 for 6 declared against Zimbabwe in 2003, in the Test in which Matthew Hayden scored 380. The second-highest is also by Australia - 617 for 5 declared against Sri Lanka in Ricky Ponting's debut Test in 1995 - while England, West Indies and South Africa are the others to score more than 559 in a Test innings here.

253 David Warner's score, the fifth-best by an Australian opener in Tests. Only Hayden, Mark Taylor, Bob Simpson and Bill Ponsford have scored more. It's also the second-highest in Perth, and the fifth double-hundred in Tests here. Of the top 11 Test scores at the WACA, ten are by Australian batsmen.

7-143 Australia's score on the second day, in 43 overs; on the first, they racked up 2 for 416 in 90, a run-rate of 4.6. In the first session of the second day, New Zealand bowled nine maiden overs and went for only 70; on the opening day, they bowled only one maiden over, which was the first over of the match.

17.18 Martin Guptill's Test average against Australia. In 11 innings he has only one 50-plus score - 58 in Hamilton in 2010 - and has been dismissed under 25 nine times.

6 Number of times, out of his last 11 Test innings, that Tom Latham has been dismissed between 25 and 60. In three innings in this series, he has been dismissed for 47, 29 and 36.