After retirement, Matsuki started coaching career at Yomiuri (later "Verdy Kawasaki", "Tokyo Verdy") in 1990. In 1993, he became a manager. The club won the champions at J1 League and J.League Cup and he was selected Best Manager awards for 2 years in a row (1993-1994). He resigned end of 1994 season. In 1998, he signed with Cerezo Osaka and managed in 1 season. In 2001, he returned to Tokyo Verdy in the first year after relocating to Tokyo. However he was sacked in July.