Swiatek pairs up with Federer's sportswear brand On

World No 1 Iga Swiatek has signed a partnership deal with Swiss sportswear brand On, co-owned by Roger Federer, the Polish tennis player said on Monday.

"I'm very excited to be the first female player to join with On," Swiatek – who previously competed wearing Japanese brand Asics – said in a statement on the On website.

The Swiss company, which started out developing running shoes, also announced a deal with 20-year-old player Ben Shelton.

The American made a name for himself by reaching the Australian Open quarterfinals in January on his first time outside the United States.

?? I’m thrilled to announce I am the first female tennis athlete at On. I’m happy the On team believes in me as an athlete and a person. We plan to grow, develop and make an impact together. #letsgo #DreamOn
Big thanks to my team for this amazing achievement in business.#ad pic.twitter.com/KXZxRYW3Dp

— Iga Swiatek (@iga_swiatek) March 20, 2023

"Iga and Ben represent the next generation of world-class talent. Both players demonstrate On's competitive spirit and embody current and future champions of the sport," Federer said in the On statement.

Federer, who retired last year with 20 Grand Slam titles, invested in On in 2019 and designed its first pair of tennis shoes.