Click below to find out the companies and brands that sponsor top tennis players.

Men
Roger Federer
Novak Djokovic
Rafael Nadal
Dominic Thiem
Felix Auger Aliassime
Matteo Berrettini
Alexander Zverev
Kei Nishikori
Karen Khachanov
Stefanos Tsitsipas
Frances Tiafoe
Alex de Minaur
Christian Garin
Yoshihito Nishioka
Stan Wawrinka
Tennys Sandgren
John Isner
Diego Schwartzman
Jannik Sinner
Daniil Medvedev

Women
Serena Williams
Naomi Osaka
Sofia Kenin
Simona Halep
Bianca Andreescu
Petra Kvitova
Karolina Pliskova
Belinda Bencic
Ashleigh Barty
Elina Svitolina
Maria Sharapova (Retired 2020)
Garbine Muguruza
Coco Gauff
Kim Clijsters
Johanna Konta

MORE: Check out the shoes, racquet, apparel of top ATP players.