Dennis Hauger made his debut in the F3 championship in 2020 with Hitech Grand Prix. He scored his maiden podium at the Hungarian Grand Prix and eventually ended the season 17th in the championship. For the 2021 season it was confirmed Hauger would race for Prema Racing and after successful season with the Italian team, the Norwegian won the Formula 3 championship with 2 races to spare. 

After winning the F3 championship, it was announced that Hauger would move up to F2 with Prema Racing. Hauger had a shaky start to his F2 career but with 4 podiums and several points finishes, he finished the season 10th overall. For the 2023 F2 season the Norwegian driver is set to race with reigning champions, MP Motorsport.