By Shrivathsa Sridhar MELBOURNE (Reuters) -Defending champion Aryna Sabalenka and Madison Keys made rocky starts on Thursday but eventually secured contrasting victories to set up a heavy metal Australian Open final showdown that will pit two of the game's big hitters against each other.

The American is into the final in Melbourne, with husband Bjorn Fratangelo as her coach. This is how the married couple work it out

When Madison Keys finally finished off her 5-7, 6-1, 7-6 (10-8) upset of No. 2 Iga Swiatek in a high-intensity, high-quality Australian Open semifinal on Thursday night, saving a match point along the way,