Tatsuya Ishikawa

Tatsuya Ishikawa (石川 達也)

• Bats Right, Throws Left
• Height 5' 10", Weight 160 lbs.

• School Hosei University
• High School Yokohama High School

• Born April 15, 1998 in Yokohama, Kanagawa Japan

BR register page

Biographical Information

Tatsuya Ishikawa has played in Nippon Pro Baseball.

Ishikawa was drafted by the Yokohama BayStars in the first round of the development phase in the 2020 NPB draft; the scout was Mikinori Hachiuma. He stayed in the NPB Farm leagues in his first season, and he allowed 5 runs in 5 1/3 innings in 2022. Ishikawa then had a 1.97 ERA in 28 games in 2023, and his ERA was 1.93 in 15 relief outings in 2024. The BayStars then released him, and Ishikawa signed with the Yomiuri Giants. He went 5-4 in 2025, and his ERA was 2.14 in 41 games.

Sources

• Wiki Japan