Itsuki Sato

is a Japanese racing driver who last competed in the F4 Japanese Championship for HYDRANGEA Kageyama Racing and Porsche Carrera Cup Japan as a Porsche Japan junior driver.

Career Sato began karting at the age of three, mainly racing in Rotax-run championships across Japan. Most of Sato's early career was spent with Super Chips Racing Service, with whom he finished runner-up with in the 2013 Mobara West Cup's Mini Rok standings, staying with them until his first year in Senior Rotax in 2017.

Sato then moved to HRS Japan from 2018 onwards, most notably finishing third in both the 2019 RMC Japan Festival and the 2020 Kart Race In Suzuka series and also briefly competed in Europe by competing in the Rotax Max Euro Trophy in 2019.

Stepping up to single-seaters in 2021, Sato competed in the Motegi and Sugo FJ Series for RiNoA Racing Project. Sato won four races to clinch the title by 25 points over Shinnosuke Ito at the penultimate round at Motegi.

Sato moved to Formula Beat for 2022, in which he missed the round at Tokachi but clinched the title at the season-ending Suzuka round after winning all but three races he contested. During 2022 Sato made two one-off appearances in Japanese F4, racing for Rn-sports in the season-opening round at Fuji and HELM Motorsports at Sugo, taking a best result of 14th in the latter round. Sato was also one of four finalists in the Honda Racing School Suzuka Circuit, alongside Tosei Moriyama, Hironobu Shimizu and Shuma Shimakage.

Following his Formula Beat title, Sato remained with HELM Motorsports to race in Japanese F4 full-time in 2023. In his first full season in the series, Sato took a best result of sixth twice, scored at both Fuji and Suzuka, en route to 13th in points.

In 2024, Sato switched to Drago Corse as he remained in Japanese F4 for his sophomore season. In his second season in Japanese F4, Sato scored his maiden series podium at Fuji, which helped him to finish 12th in the overall standings at season's end.

Sato returned to Japanese F4, switching to HYDRANGEA Kageyama Racing for his third full season in the series, while he also competing in Porsche Carrera Cup Japan as Porsche Japan's junior driver. In the former, Sato began the season with a podium in race two at Fuji before taking his maiden series win in race three, and following that up by winning both races in the second Fuji round. Sato then scored wins at Suzuka and Sugo as well as four more podiums to end the year runner-up in points. During 2025, Sato also raced in the FIA F4 World Cup, and made a one-off appearance in the F4 Indian Championship at Kari, in which he won twice.

Karting record Karting career summary

Racing record Racing career summary Season Series Team Races Wins Poles FLaps Podiums Points Position 2021 Motegi and Sugo FJ Championship RiNoA Racing Project 5 4 5 2 5 100 1st 2022 JAF Japan Formula 4 Marusan Mist 10 7 5 7 10 182 1st F4 Japanese Championship Rn-sports 2 0 0 0 0 0 25th HELM Motorsports 2 0 0 0 0 2023 F4 Japanese Championship HELM Motorsports 14 0 0 0 0 27 13th 2024 F4 Japanese Championship Drago Corse 14 0 0 0 1 37 12th 2025 F4 Japanese Championship HYDRANGEA Kageyama Racing 14 5 3 7 10 212.5 2nd Porsche Carrera Cup Japan Porsche Japan 11 0 0 0 0 117 6th F4 Indian Championship Ahmedabad Apex Racers 4 2 1 1 3 63 7thFIA F4 World Cup 1 0 0 0 0 DNFSource:

Complete F4 Japanese Championship results (key) (Races in bold indicate pole position) (Races in italics indicate fastest lap) Year Team 1 2 3 4 5 6 7 8 9 10 11 12 13 14 DC Pts 2022 Rn-sports FUJ11 FUJ12 SUZ1 SUZ2 FUJ21 FUJ22 SUZ21 SUZ22 25th 0 HELM Motorsports SUG1 SUG2 AUT1 AUT2 MOT1 MOT2 2023 HELM Motorsports FUJ11 FUJ12 SUZ1 SUZ2 FUJ21 FUJ22 SUZ21 SUZ22 SUG1 SUG2 AUT1 AUT2 MOT1 MOT2 13th 27 2024 Drago Corse FUJ11 FUJ12 SUZ1 SUZ2 FUJ21 FUJ22 SUG1 SUG2 AUT1 MOT1 MOT2 MOT3 SUZ21 SUZ22 12th 37 2025 HYDRANGEA Kageyama Racing FUJ11 FUJ12 FUJ13 FUJ21 FUJ22 SUZ1 SUZ2 SUG1 SUG2 SUG3 AUT1 AUT2 MOT1 MOT2 2nd 212.5

Complete F4 Indian Championship results (key) (Races in bold indicate pole position) (Races in italics indicate fastest lap) Year Entrant 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Pos Points 2025 Ahmedabad Apex Racers KAR11 KAR12 MAD11 MAD12 MAD13 MAD14 KAR21 KAR22 KAR23 KAR24 KAR31 KAR32 KAR33 MAD21 MAD22 7th 63

Complete FIA F4 World Cup results Year Car Qualifying Quali Race Main Race 2025 Mygale M21-F4 14th 8th DNF