Sagan Tosu is a professional soccer club based in Tosu, Saga, Japan. Established in 1997, the club has a relatively short history compared to some of the more established teams in Japan. Sagan Tosu plays their home matches at the Ekimae Real Estate Stadium, which has a seating capacity of around 24,000 spectators. The club's nickname is "Tosu Dolphins," which is derived from the city's proximity to the Ariake Sea and the dolphin's association with the region. Sagan Tosu has had moderate success in their history, with their major accomplishment being the J.League Cup triumph in 2012. The club has also had several appearances in the AFC Champions League, showcasing their competitiveness at the continental level.