In 2018, RLL would re-sign Takuma Sato, who had previously won the 2017 Indianapolis 500 for Andretti Autosport. Sato would score his first win for the team at the 2018 Grand Prix of Portland, and would win twice more in the 2019 Indycar season, at Barber Motorsports Park and World Wide Technology Raceway at Gateway respectively. Sato won his second Indianapolis 500 in 2020, his first with RLL Racing. Rahal finished in 3rd position. The team also ran a third car for the first time in a race 2019 Indianapolis 500, with Jordan King finishing in 24th place.