Tennis Player Kaito Uesugi Appointed as Mibro Ambassador; Campaign to Win Signed Smartwatch Launched

Heart Planet Co., Ltd. (Headquarters: Chiyoda-ku, Tokyo; Representative Director: Ryoko Mitsuoka), the official distributor of the smartwatch brand "Mibro" in Japan, is pleased to announce that professional tennis player Kaito Uesugi has been appointed as the brand ambassador. Mr. Uesugi will promote the appeal of Mibro products through the official website, social media, and video advertisements starting March 1, 2026. To commemorate his appointment, a campaign will be held where participants can win a signed Mibro smartwatch through a lottery. Mibro will support Mr. Uesugi's endeavors, which also focus on regional revitalization, with advanced technology, and together create new value in sports.

Mr. Uesugi: Achieving Victories as a Tennis Player and Contributing to Regional Revitalization

Kaito Uesugi (Affiliation: Ezaki Glico) is a professional tennis player. Leveraging his 180cm physique, he has achieved consecutive victories in doubles at the All Japan Tennis Championships in 2021 and 2022, and has represented Japan multiple times in the Davis Cup, the pinnacle of men's team tennis. He also won doubles titles at the Porto Challenger in Portugal in 2023 and the Pune Challenger in India in 2025. He is a top professional who continues to win numerous titles on the world stage.

While building his career in competition, Mr. Uesugi also actively engages in regional revitalization activities, visiting various places to share the appeal of tennis and inspire future goals in children. To date, he has provided children with dreams through rallies and practical drills in tennis clinics for kids and juniors, and practice sessions and point play for junior elite players.

Mibro's Wearable Technology Supporting Professional Tennis Players

Professional tennis player Kaito Uesugi, who continues to achieve remarkable success both domestically and internationally, has been appointed as the ambassador for the smartwatch brand "Mibro" starting March 2026.

For Mr. Uesugi, who travels the world on tour, daily condition management is essential.