Tomoya Koyamatsu is a professional footballer from JPN and is currently 32 years old. He is on the books of Nagoya Grampus and wears shirt number 58. His main role on the pitch is Midfield. He measures 171cm in height and weighs 64kg. His stronger foot is Right. His estimated market valuation currently stands at 600K €.

His latest transfer saw him join Nagoya Grampus from Kashiwa Reysol via Free on 2026-01-12.

Over 38 appearances in the Japanese J1 League 2025, Tomoya Koyamatsu contributed 3 goals and 10 assists, completed 55 key passes from 1441 total passes, and posted a passing accuracy of 31.9.