The Sōbu Green Tennis Club, completed in 1975 and designed by Isshiki Architectural Design Office, represents a significant example of recreational facility design from Japan's high-growth period. Located in Sakura, Chiba Prefecture, this park-affiliated sports complex exemplifies the modernist approach to leisure architecture that characterized the 1970s. The facility's design balances functional requirements with aesthetic considerations, showcasing the architectural principles of its era. As an accessory structure within the park system, it demonstrates thoughtful integration of sports facilities into public green spaces, making it a notable example of community-oriented architectural planning from this period.