Takahashi Kousuke was the top seed in the All Japan Tournament during his 3rd year high school. He was the semi finalist in the tournament which was later won by Yu Nabae.
His name was seen in the seed order roster in the All-Japan Junior Tournament.
He seems to use his strong upper body and arms to take control of the match.
According to the seed order from the All Japan Junior, He's stronger than Takuma.