He was only one month older than Iyama Yuta, making him the second youngest professional in Japan. This also made him the youngest Kansai Ki-in professional, edging out Yuki Satoshi by a small margin.
The passage states that he is younger than Iyama Yuta but older than the next youngest professional in Japan. He is also the youngest member of the Kansai Ki-in and surpasses Yuki Satoshi by a small margin.