Koyama made headlines last year when she won the Formula Regional Japanese Championship title, making her the first-ever female champion of an FIA-sanctioned, mixed-gender single-seater championship anywhere in the world.
This year she is taking on a different challenge as she leaves open-wheelers behind to race both in SUPER GT and the Toyota-backed GR86/BRZ Cup series, a campaign she kicked off last weekend at Sugo against several of her rivals from the GT300 class.
