Hiroki Otsu

is a Japanese racing driver who is currently competing in Super GT with ARTA, and in Super Formula for TCS Nakajima Racing as a substitute driver for Naoki Yamamoto. Career Early career Otsu started his motorsport career in karting in 2007, in which he remained active until 2010. In 2013, he switched to formula racing to participate in the Suzuka Circuit Racing School Formula, which is only intended to train drivers. In 2014, he competed in the JAP Japanese Formula 4 Championship and finished fifth in the FC class. In 2015, he made the move to the new Japanese Formula 4 Championship, where he raced as a Honda protégé for the Honda Formula Dream Project team. He took five podiums and finished third in the final standings with 108 points, behind Sho Tsuboi and Tadasuke Makino. Japanese Formula 3 In 2016, Otsu made the move to the Japanese Formula 3 Championship, racing for the HFDP Racing team. He achieved five points finishes, with fifth place on the Okayama International Circuit as the best result. As a result, he finished tenth in the final standings with 6 points. In 2017, he made the move to the TODA Racing team within the class. During the season, he was on the podium six times before winning the season finale at the Sportsland SUGO. With 79 points, he finished fifth in the final standings behind Mitsunori Takaboshi, Sho Tsuboi, Álex Palou and Ritomo Miyata.