K-Swiss has signed up Liudmila Samsonova and Yulia Putintseva to its roster. Both players played without a clothing sponsor before signing up with K-Swiss. 

Over the last few years, K-Swiss has signed up a number of well-known tennis players such as Fabio Fognini, Venus Williams, and Cameron Norrie. 

K-Swiss is an American brand shoe and clothing brand based in California. The brand is owned by Xtep, a Chinese company based in Hong Kong.

Samsonova currently represents Russia but she represented Italy between 2014 and 2018. She reached her peak singles ranking of world number 40 in 2021.

Yulia Putintseva currently represents Kazakhstan but represented Russia between 2009 and 2012. She has reached the quarterfinals at the French Open and the US Open.

Ugo Humbert has switched to Lacoste clothing. He was wearing Wilson apparel previously. Humbert debuted the Lacoste clothing at the ATP Cup.

Prior to his contract with Wilson, he was wearing Le Coq Sportif clothes. Humbert continues to use his Wilson Blade V7 16 x 19 with Luxilon Original Rough strings.

Ugo Humbert is an aggressive player who likes to come to the net and finish points with a volley. His best grand slam result came at the 2019 Wimbledon Championships where he reached the fourth round.