Sae Yamamoto (Karuizawa, JPN) lost 5-3 to Seina Nakajima (Nagano, JPN) in the Bronze Medal game at the 2021 Hokkaido Bank Curling Classic in Sapporo, Japan. of the 2021 Hokkaido Bank Curling Classic in Sapporo, Japan; Sae Yamamoto (Karuizawa, JPN) lost 5-3 to Seina Nakajima (Nagano, JPN) in the Bronze Medal game at the 2021 Hokkaido Bank Curling Classic in Sapporo, Japan. Yamamoto lost 7-4 to Satsuki Fujisawa (Kitami, JPN) in the semifinals to drop into the third place game. of the 2021 Hokkaido Bank Curling Classic in Sapporo, Japan;
 
Yamamoto finished 2-1 in the 8-team qualifying round. . In their opening game, Yamamoto lost 5-3 to Tori Koana (Yamanashi, JPN), then responded with a 6-5 win over Sayaka Yoshimura (Sapporo, JPN). Yamamoto won 9-3 against Mari Motohashi (Kitami, JPN) in their final qualifying round match.
 
Yamamoto ranks 366th overall on the Year-to-Date rankings with 0.000 points earned so far this season.