For the 2019-20 season, Rebellion reduced their full-season effort to a single car; the #1 driven by Menezes, Nato and Senna, with a second car appearing in select European races. This would later translate to a second R13, the #3, appearing in the 2019 4 Hours of Silverstone, where it finished 3rd and the 2019 24 Hours of Le Mans, where it finished 4th, though those results would not count towards the championship as only the #1 was eligible for points.