Fire versus ice - a contrasting match-up of personalities that tennis knows all too well.
World number one Aryna Sabalenka will provide the demonstrative energy in Saturday's Australian Open final, while fifth seed Elena Rybakina will offer clinical composure from the other side of the net.
What both players are certain to bring, however, is plenty of explosive power.
Given the pair are two of the biggest ball-strikers on the WTA Tour - and lethal with their serves - it will be fascinating to see whose game breaks down first in what should be an intense contest.