Keio Challenger is an esteemed international tennis tournament held annually in Yokohama, Japan, supported by Mita Kosan. The event showcases a dynamic lineup of international male and female players, competing for prestigious titles in a series of exciting matches. This year's tournament will take place from November 17 to December 1, 2024, featuring qualifying rounds followed by main events for both genders.

The Keio Challenger not only serves as a platform for athletic excellence but also engages the community through various events, merchandise sales, and crowdfunding initiatives to support its mission. Fans can enjoy the thrill of live matches, shop for official tournament gear, and participate in opportunities to connect with the sport, including junior tennis events.

With a rich history and enthusiastic local support, Keio Challenger is dedicated to elevating the tennis experience in Japan and beyond, fostering passion for the sport while encouraging social contributions alongside its corporate partners.