Yusuke Morozumi (Karuizawa, JPN) run at the 2021 Japan Curling Championships came to an end in the semifinals with a 8-5 loss to Takumi Maeda (Kitami, JPN). of the 2021 Japan Curling Championships in Wakkanai, Japan;
 
Morozumi finished 4-2 in the 0-team qualifying round. . In their opening game, Morozumi lost 10-4 to Tsuyoshi Yamaguchi (Karuizawa, JPN), then responded with a 9-2 win over Kenji Tomabechi (Iwate, JPN). Morozumi won 9-7 against Hiroki Yoshioka (Okayama, JPN). Morozumi went on to lose 6-5 against Yuta Matsumura (Kitami, JPN). Morozumi responded with a 8-7 win over Maeda. Morozumi won 8-4 against Ryutaro Tani (Tokyo, JPN) in their final qualifying round match.
 
Morozumi ranks 246th overall on the Year-to-Date rankings with 0.000 points earned so far this season.