Two weeks later, Ten competed at the 2009 Junior Worlds. He placed 5th in the short program after being downgraded on the second jump in his triple-triple combination. In the free skate, Ten was credited with six triple jumps, including two triple Axels, and received another downgrade on the second jump of his triple-triple combination. He placed 4th in that segment of the competition, placing 0.32 points behind third-place finisher Artem Grigoriev in that segment of the competition. Ten placed 4th overall, ending the competition 0.63 points behind bronze medalist Grigoriev.