Yu Igarashi

Yu Igarashi (五十嵐 優) is a Japanese badminton player. He won his first international title at the 2017 Osaka International tournament.

Summer Universiade
Men's singles

BWF World Tour (1 runner-up)
The BWF World Tour, which was announced on 19 March 2017 and implemented in 2018, is a series of elite badminton tournaments sanctioned by the Badminton World Federation (BWF). The BWF World Tour is divided into levels of World Tour Finals, Super 1000, Super 750, Super 500, Super 300, and the BWF Tour Super 100.

Men's singles

BWF Grand Prix (1 runner-up)
The BWF Grand Prix has two levels, the BWF Grand Prix and Grand Prix Gold. It is a series of badminton tournaments sanctioned by the Badminton World Federation (BWF) since 2007.

Men's singles
 * BWF Grand Prix Gold tournament
 * BWF Grand Prix tournament

BWF International Challenge/Series (4 titles, 1 runner-up)
Men's singles
 * BWF International Challenge tournament
 * BWF International Series tournament