Nagashima Shigeo Invitational Sega Sammy Cup

The Shigeo Nagashima Invitational Sega Sammy Cup (長嶋茂雄Invitational セガサミーカップゴルフトーナメント, Nagashima shigeo inviteishonaru sega samī kappu gorufu tōnamento^?) is a golf tournament on the Japan Golf Tour. It has been played annually at The North Country Golf Club near Chitose, Hokkaido since 2005.

In 2016, it was played 30 June – 3 July The course measured 7,167 yards and the par was 72. The purse was ¥150,000,000, with ¥30,000,000 going to the winner.

Shunsuke Sonoda set the tournament record in 2013, shooting –20 (268).

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