Seina Nakajima (Nagano, JPN) won 11-3 over Satsuki Fujisawa (Kitami, JPN) in the Final of the ZEN-NOH Japan Curling Championships, held February 12 - 17, 2019 in Sapporo, Japan.
 
Nakajima finished 8-0 in the 9-team qualifying round. . In their opening game, Nakajima defeated Fujisawa 6-5, then won 10-1 against Minako Tsuji (Karuizawa, JPN) and 9-4 against Mayu Natsuizaka (Sapporo, JPN). Nakajima won 9-1 against Aki Goto (Suzuka, JPN), then won 6-5 against Kaede Kudo (Tokyo, JPN) and 9-3 against Wakaba Kawamura (Aomori, JPN). Nakajima won 9-8 against Tori Koana (Fujiyoshida, JPN), then won 9-7 against Sayaka Yoshimura (Sapporo, JPN) in their final qualifying round match.
 
For winning the ZEN-NOH Japan Curling Championships Championship title, Nakajima earned 40.969 world rankings points. Nakajima move up 11 spots after posting a net gain of 36.981 points improving upon their best 8 results so far this season, ranking 25th overall with 147.937 total points on the World Ranking Standings. Nakajima ranks 25th overall on the Year-to-Date rankings with 147.937 points earned so far this season.