On 14 September 2017, Saruta was promoted to Kashiwa Reysol's first team from the 2018 season.
[2] He made his debut against Tokushima Vortis in the Emperor's Cup on 22 June 2022.
[5] During his time at the club, he didn't make any appearances for Gamba's first team.
[6] Saruta made his league debut for Gamba Osaka U-23 against Kamatamare Sanuki on 28 June 2020.
[7] On 5 January 2021, Saruta joined Yokohama FC on loan.