Career
Born in Tsurugashima, Saitama, Hasegawa joined Yokohama F. Marinos" youth setup in 2004, aged 16, after starting it out at Sakado Diplomats. On 6 June 2008 Hasegawa signed a professional deal with Marinos, and scored his first senior goal on 29 November, netting the last in a 2–0 home success against Tokyo Verdy. During the 2010 season he was also used as a forward, but mainly as a substitute.
On 6 January 2012 Hasegawa moved to fellow league team F.C. Tokyo.
He was mainly used as a defensive midfielder by manager Ranko Popović, and scored five goals in 2013. On 29 December 2013 he extended his contract with the club
On 16 January 2014 Hasegawa joined Cerezo Osaka, reuniting with former manager Popović. He appeared in 30 matches for the side during his first season, scoring once.
On 2 July 2015 Hasegawa moved abroad for the first time in his career, signing a one-year deal with Real Zaragoza and working with Popović for the third time.
Hasegawa represented Japan in the under-20 level between 2006 and 2010, being capped three times and scoring one goal. Born to an Iranian father and a Japanese mother, Hasegawa is eligible to play for Japan or Iran, the latter being obtained in April 2014.