Kosuke Yamazaki is a 30-year-old professional football player from JPN. He currently plays for Jubilo Iwata, wearing the number 30 shirt. He plays primarily as a Defender. He stands at 182cm tall and weighs 80kg. His preferred foot is Right. His current market value is estimated at 500K €.

His most recent move was a Free from Yokohama FC to Jubilo Iwata on 2026-01-12.

Throughout the J2/J3 100 Year Vision League 2026, Kosuke Yamazaki featured in 4 matches, averaging 0.5 tackles, 1.5 interceptions, and 2.3 clearances per game, while blocking 0.3 shots per game.