Tasaka was born in Hiroshima on August 3, 1971. He was educated at and played for Tokai University Daiichi High School and Tokai University. After graduating, he joined newly promoted J1 League side Bellmare Hiratsuka. He was immediately installed as a regular and received the J1 League "Young Player of the Year award" that year. The club also won the 1994 Emperor's Cup. Due to club's financial problem, he was released along with Nobuyuki Kojima, Wagner Lopes, Hong Myung-bo and Yoshihiro Natsuka at the end of the 1998 season. He moved to Shimizu S-Pulse (1999) and then to Cerezo Osaka (2000–2002) where he finished his playing career.