Emma Raducanu is set to ditch her eight-year sponsorship with Nike and instead join the Japanese fashion brand Uniqlo.The Japanese clothing manufacturer has teased the signing on their social media with a photo of the body of a female tennis star.Raducanu was with Nike for eight yearsGettyRaducanu signed with Nike three years before she even won her first Grand Slam in the US Open in 2021.Nike is an iconic tennis brand, with the sportswear being worn by current icons including Carlos Alcaraz, Jannik Sinner and Aryna Sabalenka.The renowned brand said at the end of 2025 they would be making financial cuts to ensure they can be dedicated to their integral player cohort.Uniqlo have hinted at the rumour with the post and used the caption: ‘We’re proud to welcome a new face to UNIQLO.’View Tweet: https://t.co/HXP4xvhboWThe British No.1 will become the first female tennis player to be representing the brand.The fashion manufacturer has a rich history in sponsoring legends, including Roger Federer and Novak Djokovic.Raducanu also has deals with well-known brands like Dior, Tiffany & Co and Evian.It’s expected the Brit will showcase the new sporting brand at the upcoming Indian Wells next week.The tournament that’s held annually in California is widely considered as the ‘fifth Grand Slam’ due to its prestige, attendance, elite athletes competing and a $19million plus prize pool.On the run-up to this important competition, Raducanu has reached the Transylvanian Open final and lost.Alcaraz was rumoured to have earned $15m-$20m from Nike in 2024, while Sinner is receiving $158million over ten yearsAdditionally, she has suffered from a chest infection and retired in the first round of the Qatar Open.The 23-year-old also crashed out of the Dubai Tennis Championship in the first round to ‘lucky loser’ Antonia Ruzic.The tennis star is still without a full-time coach, with Raducanu and Francisco Roig parting ways after her exit in the second round of the Australian Open.How do tennis sponsorships work?Rankings, popularity and country of origin all decide what type of contract or brand would be interested in a player.In tennis, there are two different endorsements, either from a racket maker or clothing/footwear brand.Junior players sign deals and can often earn up to six-figures, the contracts often hold clauses to retain you on a higher pay grade based on year-end rankings as you get older.Raducanu is the second most followed active female tennis star with 2.9m, just behind Sabalenka with 4.6mGettyTypically the top 40 men are making more than enough that they could go the entire year without winning a tournament and financially carry on touring while only the top 30 women are making comfortable enough money to do the same.Every deal has bonuses written in, for reaching certain points in a tournament, Grand Slams or player rankings.Money from sponsorships is about survival to be able to compete at the top level of tennis, with money going towards flights, hotels and salaries for the coaching team throughout the entire season.In the Brits scenario, even though her court rankings have fluctuated since her US Open win, her marketability stays strong with her 2.9m followers on Instagram which keeps her in demand.