Let's preface this countdown by saying there is no reason behind the order each player appears in, and many, many great bikini and board-short snaps had to be left out. 

Without further ado, here are the top bathing suit photos of 2019. 

1

Serena Williams

 
 
 
 
 
 
 
 
 
 
 
 
 

Yacht got time?

A post shared by Serena Williams (@serenawilliams) on

2

Aryna Sabalenka

3

Daniil Medvedev

4

Caroline Wozniacki

 
 
 
 
 
 
 
 
 
 
 
 
 

????????????????

A post shared by Caroline Wozniacki (@carowozniacki) on

5

Naomi Osaka

 
 
 
 
 
 
 
 
 
 
 
 
 

Currently scrolling through the memories ???????? @feeltheessence

A post shared by 大坂なおみ (@naomiosaka) on

6

Alexander Zverev and Marcelo Melo

 
 
 
 
 
 
 
 
 
 
 
 
 

Different place. Same dance. 2019 season of officially over. Thank you to everyone who stuck with me this year

A post shared by Alexander Zverev (@alexzverev123) on

7

Sloane Stephens 

 
 
 
 
 
 
 
 
 
 
 
 
 

When the sun hits... ☀️

A post shared by Sloane Stephens (@sloanestephens) on

8

Stefanos Tsitsipas

 
 
 
 
 
 
 
 
 
 
 
 
 

Creation comes alive.

A post shared by Stefanos Tsitsipas (@stefanostsitsipas98) on

9

Amanda Anisimova

 
 
 
 
 
 
 
 
 
 
 
 
 

Thanksgiving break looking a lot like spring break

A post shared by Amanda Kay Victoria (@amandaanisimova) on

10 

Garbine Muguruza

 
 
 
 
 
 
 
 
 
 
 
 
 

????????????☀️????️???????????? #zanzibar #tanzania #beach ????: @garbimuguruza

A post shared by Garbiñe Muguruza No.1 (@garbine.muguruza93) on