From Bianca Andreescu's ascent into a global superstar, making history for Canada by winning two of the sport's biggest titles, to Madison Keys' sizziling summer run in Cincinnati and Serena Williams' appearance in two more finals, the August Player of the Month nominees are a decorated trio.
But only one can take the latest crown by winning your votes, and it's time to cap off the summer in style.
Have a look at the nominees in the video below and cast your vote for your favorite before voting ends Saturday at 11:59 p.m. ET!
Who was your Player of the Month for August? Vote now!
The winners will be announced in the week of September 16.
How it works:
Finalists are selected by wtatennis.com
Winner is then determined by a fan vote on wtatennis.com