The Japanese clothing company also sponsors Kei Nishikori ... It also sponsored Novak Djokovic until 2017, and is involved in wheelchair tennis. Federer was recently named the fourth-highest ...

Now, Swiatek, along with Shelton, finds herself under the spotlight to take this collaboration to new heights with the upcoming launch of the brand’s inaugural tennis apparel line. Federer’s ...

Opinions expressed by Forbes Contributors are their own. Tim Newcomb covers tennis gear/business, stadiums and sneaker tech. Roger Federer has put his signature on a string of Wilson rackets.