Japan's Yuma Kagiyama and Mai Mihara both won championships at the Asian Open Trophy on Friday, with Kagiyama maintaining his overnight lead in the men's free skate, while Mihara overtook compatriot Kaori Sakamoto in the women's.
The 18-year-old world silver medalist Kagiyama scored 179.98 on Friday for a 277.78 total. Japanese 17-year-old Shun Sato was second overall with 256.16 points after finishing second in both the short program and free skate.
Kagiyama said that despite the win, his program was full of things that needed fixing.
"If you look at it comprehensively, there were a lot of issues," he said. "I've added a new quad loop to my free program from this season, and I want to improve to the point that even if I mess up the quad loop, I'll still do a good job on my other quad jumps."
In a program with few mistakes, Mihara scored 135.75 points at Capital Indoor Stadium for a total of 203.58 in the test event for February's Beijing Winter Games.
"I wasn't as nervous as I was the day before," Mihara said. "From start to finish I skated without losing my concentration, although I want to improve my accuracy on each jump."
Sakamoto, who led after the short skate, had issues with her jumps and finished second with 202.28, and said she has a lot of work ahead of her.
"My lack of physical strength was noticeable in my performance," she said. "This program demands greater aerobic capacity. Besides extensive running and other things outside practice, I have to find a way to skate strong right until the end."
The tournament is being held without spectators, with the skaters and staff kept in a bubble as a coronavirus countermeasure.