Since 1881, Tests in Australia were played to finish. That rule was changed for this series, and for the first time in 65 years, a test played in Australia ended in a draw when the third test was drawn.
The traditional format of Australian Tests has been to finish with a win or loss since 1881. However, this series saw a change in the rules, resulting in the first ever draw for a Test match played in Australia after the third test in 65 years.