Shigeo Nagashima Invitational Sega Sammy Cup

The Shigeo Nagashima Invitational Sega Sammy Cup was a professional golf tournament on the Japan Golf Tour. It was played annually at The North Country Golf Club near Chitose, Hokkaido from 2005 to 2024.
Shunsuke Sonoda set the original tournament record in 2013, shooting 268 a score subsequently equalled by Ryo Ishikawa in 2019. This was then beaten by Jbe' Kruger who shot 265 in 2023.
Following the announcement of the 2025 Japan Golf Tour schedule, it was confirmed that the tournament would not return in 2025.