Kotaro Hayashi is a professional footballer from JPN and is currently 26 years old. He is on the books of Machida Zelvia and wears shirt number 26. His main role on the pitch is Defender. He measures 170cm in height and weighs 70kg. His stronger foot is Right. His estimated market valuation currently stands at 800K €.

His latest transfer saw him join Machida Zelvia from Yokohama FC via Free on 2024-01-08.

Across the Japanese J1 League 2026, Kotaro Hayashi appeared in 4 matches and averaged 1 tackles, 0 interceptions, 1.5 clearances, and 0.3 blocked shots per game.