Tennis Endorsements: Wang Xinyu Becomes PROYA Vitality Ambassador; Coco Gauff Endorses MIU MIU Beauty; Jannik Sinner Represents Explora Journeys; Madison Keys Endorses Brilliant Earth

September 12, 2025

1. Chinese beauty and skincare brand PROYA has announced Chinese women's tennis player Wang Xinyu as its brand vitality ambassador.

Born in 2001 in Shenzhen, Guangdong Province, Wang Xinyu won the Australian Open Wildcard Play-off in 2017, becoming the youngest Chinese player to compete in a Grand Slam main draw. In June of this year, she defeated Russian player Liudmila Samsonova in the semifinals of the WTA500 Berlin tournament, advancing to a tour-level final for the first time in her career.

Wang Xinyu PROYA Vitality Ambassador

2. MIU MIU Beauty has announced American tennis player Coco Gauff as its U.S. brand ambassador.

This announcement coincides with the launch of MIU MIU's first fragrance, Miutine, following its beauty and distribution agreement with L'Oréal. The fragrance's name is a variation of the French word "mutine," meaning rebellious or mutinous.

Born in 2004 in Florida, USA, Coco Gauff started playing tennis seriously at age seven and turned professional in 2019. She won her first Grand Slam title in 2023. In April of this year, Gauff collaborated with New Balance and MIU MIU on a three-way collection, wearing different colorways of the co-branded apparel at the Rome, Berlin, and Cincinnati Open tournaments.

Coco Gauff MIU MIU Beauty

3. Explora Journeys has announced Italian tennis player Jannik Sinner as its global brand ambassador.

Born in 2001, Sinner turned professional in 2018 and became the first Italian player to achieve the world No. 1 ranking in 2024. In the 2025 season, he won the Australian Open and Wimbledon Championships.

The multi-year partnership will see Sinner participate in a series of brand campaigns. In upcoming tournaments, his and his training team's clothing will feature the Explora Journeys logo.

Jannik Sinner Explora Journeys

4. American jewelry company Brilliant Earth has announced American women's tennis player Madison Keys as its brand ambassador.

Keys was born in 1995 in Rock Island, Illinois, USA. She turned professional at age 14 and made her debut at the Ponte Vedra Beach tournament in 2009, becoming the seventh-youngest player to win a WTA main-draw match. In January of this year, Keys defeated Sabalenka in the Australian Open women's singles final to win her first Grand Slam singles title.

As part of the collaboration, the two parties also launched a limited-edition co-branded collection, the Madison Keys Medallion.

Madison Keys Brilliant Earth

|Source: Official press releases, official social media accounts

|Image credit: Official press releases, official social media accounts