Sakamoto and Yuna Aoki will represent Japan in women's singles at the Challenge Cup, with Kazuki Tomono and Tatsuya Tsuboi set to skate in the men's...
Kaori Sakamoto, Mai Mihara and Mana Kawabe sweep the Challenge Cup women's event, while Shun Sato and Sota Yamamoto finish 1-2 in the men's.
