5870 Aggregate runs scored by India and Australia in this series, the most ever in a Test series of four or fewer Tests. The second-most runs (5651) also came in a series between India and Australia, the 2003-04 Border-Gavaskar Trophy.
692 Runs scored by Virat Kohli this series, the most by an Indian batsman in Australia and the third-most by an Indian batsman in any series. Sunil Gavaskar aggregated 700-plus in a series on two occasions, in 1971 and 1978-79, both times against West Indies.
482 Runs scored by M Vijay this series, the most by an Indian opener in Australia and the third-most by an Indian opener in any away series. Gavaskar has aggregated more on two occasions: 542 against England in 1979 and 774 against West Indies in 1971.
5 Number of 50-plus scores for Vijay this series, the most by an Indian opener in Australia. The next most is three, by Gavaskar and Kris Srikkanth during the 1977-78 and 1985-86 tours respectively.
2 Number of draws in Sydney in the last 20 years. There have been 22 Tests played in Sydney during this period, with Australia winning 17 of those Tests, losing three and drawing only two, both against India, in 2004 and 2015.
6 Number of times that Nathan Lyon has conceded 100-plus runs in an innings this series, the most ever in a Test series. The last time that a bowler conceded 100-plus runs in an innings on six instances in a series was 56 years ago: Subhash Gupte against West Indies in 1958-59.
5 Number of ducks scored by Suresh Raina in his last seven Test innings. He scored a pair against England at The Oval in 2011, a duck against New Zealand at Bangalore in 2012, and now a pair in this Test.
1 Number of Indian top-seven batsmen prior to Suresh Raina who have made two pairs in Test cricket. Mohinder Amarnath made two pairs against West Indies in Kanpur and Calcutta in 1983.
50 Test wickets taken by Mitchell Starc. He reached this milestone when he dismissed Raina for a duck. He is the 72nd Australia bowler to reach this landmark.
Bishen Jeswant is a stats sub editor at ESPNCricinfo. @bishen_jeswant