# 2015 Japanese Formula 3 Championship

The 2015 Japanese Formula 3 Championship was the 37th edition of the Japanese Formula 3 Championship.

## Teams and drivers

All teams were Japanese-registered.
| Team | No. | Driver | Chassis | Engine | Rounds |
| Championship Class ||||||
| Toda Racing | 2 | Keishi Ishikawa | Dallara F312 | Toda TR-F301 | All |
| Honda Formula Dream Project Racing | 7 | Nirei Fukuzumi | Dallara F312 | Mugen-Honda MF204D | All |
| Honda Formula Dream Project Racing | 8 | Tsubasa Takahashi | Dallara F312 | Mugen-Honda MF204D | All |
| RSS with B-MAX Racing Team | 13 | Motoyoshi Yoshida | Dallara F312 | Toyota TOM'S TAZ31 | 1–5 |
| KCMG | 19 | Struan Moore | Dallara F312 | Toyota TOM'S TAZ31 | All |
| B-MAX Racing Team with NDDP | 22 | Lucas Ordóñez | Dallara F312 | Toyota TOM'S TAZ31 | 1–3, 5–8 |
| B-MAX Racing Team with NDDP | 22 | Daiki Sasaki | Dallara F312 | Toyota TOM'S TAZ31 | 4 |
| B-MAX Racing Team with NDDP | 23 | Mitsunori Takaboshi | Dallara F315 | Toyota TOM'S TAZ31 | All |
| Tairoku Hanashima Racing | 28 | Tairoku Yamaguchi | Dallara F312 | Toyota TOM'S TAZ31 | All |
| Petronas Team TOM'S | 36 | Kenta Yamashita | Dallara F312 | Toyota TOM'S TAZ31 | All |
| Petronas Team TOM'S | 37 | Nick Cassidy | Dallara F314 | Toyota TOM'S TAZ31 | All |
| B-MAX Racing Team | 50 | Katsumasa Chiyo | Dallara F312 | Toyota TOM'S TAZ31 | 6 |
| B-MAX Racing Team | 50 | Yuhi Sekiguchi | Dallara F312 | Toyota TOM'S TAZ31 | 7–8 |
| National Class ||||||
| Exedy Racing Team | 3 | Ai Miura | Dallara F307 | Toyota TOM'S 3S-GE | All |
| KRC Hanashima Racing | 5 | Alex Yang | Dallara F306 | Toyota TOM'S 3S-GE | All |
| RSS with B-MAX Racing Team | 13 | Motoyoshi Yoshida | Dallara F306 | Toyota TOM'S 3S-GE | 6 |
| FSC Motorsport | 18 | Guillaume Cunnington | Dallara F307 | Toyota TOM'S 3S-GE | 1–3, 6–8 |
| B-MAX Racing Team | 30 | "Dragon" | Dallara F308 | Toyota TOM'S 3S-GE | All |
| TOM'S | 38 | Ryo Ogawa | Dallara F306 | Toyota TOM'S 3S-GE | All |
| CMS | 77 | Masaru Miura | Dallara F306 | Toyota TOM'S 3S-GE | All |

## Race calendar and results

A provisional calendar for the 2015 season. All races are scheduled to be held in Japan.
| Round | Round | Circuit | Date | Pole Position | Fastest Lap | Winning driver | Winning team | National winner | Supporting |
| 1 | R1 | Suzuka Circuit | 18 April | Nick Cassidy | Nick Cassidy | Mitsunori Takaboshi | B-MAX Racing Team with NDDP | Ai Miura | Super Formula |
| 1 | R2 | Suzuka Circuit | 19 April | Nick Cassidy | Nick Cassidy | Nick Cassidy | Petronas Team TOM'S | Ryo Ogawa | Super Formula |
| 2 | R1 | Twin Ring Motegi | 9 May | Kenta Yamashita | Mitsunori Takaboshi | Nick Cassidy | Petronas Team TOM'S | Ai Miura | |
| 2 | R2 | Twin Ring Motegi | 10 May | Kenta Yamashita | Mitsunori Takaboshi | Kenta Yamashita | Petronas Team TOM'S | Ryo Ogawa | |
| 2 | R3 | Twin Ring Motegi | 10 May | | Kenta Yamashita | Kenta Yamashita | Petronas Team TOM'S | Ryo Ogawa | |
| 3 | R1 | Okayama International Circuit | 23 May | Nick Cassidy | Nick Cassidy | Nick Cassidy | Petronas Team TOM'S | Ryo Ogawa | Super Formula |
| 3 | R2 | Okayama International Circuit | 24 May | Kenta Yamashita | Kenta Yamashita | Kenta Yamashita | Petronas Team TOM'S | Ryo Ogawa | Super Formula |
| 4 | R1 | Fuji Speedway | 6 June | Nirei Fukuzumi | Nick Cassidy | Kenta Yamashita | Petronas Team TOM'S | Ryo Ogawa | The One–Make Race Festival |
| 4 | R2 | Fuji Speedway | 7 June | Nick Cassidy | Kenta Yamashita | Nick Cassidy | Petronas Team TOM'S | Ryo Ogawa | The One–Make Race Festival |
| 5 | R1 | Okayama International Circuit | 27 June | Kenta Yamashita | Kenta Yamashita | Mitsunori Takaboshi | B-MAX Racing Team with NDDP | Ai Miura | GT Asia Series |
| 5 | R2 | Okayama International Circuit | 28 June | Kenta Yamashita | Kenta Yamashita | Mitsunori Takaboshi | B-MAX Racing Team with NDDP | Ryo Ogawa | GT Asia Series |
| 6 | R1 | Fuji Speedway | 18 July | Nick Cassidy | Nirei Fukuzumi | Nick Cassidy | Petronas Team TOM'S | Ryo Ogawa | Super Formula |
| 6 | R2 | Fuji Speedway | 19 July | Mitsunori Takaboshi | Nick Cassidy | Kenta Yamashita | Petronas Team TOM'S | Ryo Ogawa | Super Formula |
| 7 | R1 | Twin Ring Motegi | 22 August | Nirei Fukuzumi | Nirei Fukuzumi | Nirei Fukuzumi | Honda Formula Dream Project Racing | Ryo Ogawa | Super Formula |
| 7 | R2 | Twin Ring Motegi | 23 August | Nirei Fukuzumi | Nirei Fukuzumi | Nirei Fukuzumi | Honda Formula Dream Project Racing | Ryo Ogawa | Super Formula |
| 8 | R1 | Sportsland SUGO | 17 October | Nick Cassidy | Nick Cassidy | Nick Cassidy | Petronas Team TOM'S | Ryo Ogawa | Super Formula |
| 8 | R2 | Sportsland SUGO | 18 October | Nick Cassidy | Nick Cassidy | Nick Cassidy | Petronas Team TOM'S | Ryo Ogawa | Super Formula |

## Championship standings
### Drivers' Championships

* Points are awarded as follows:
| 1 | 2 | 3 | 4 | 5 | 6 | PP | FL |
| 10 | 7 | 5 | 3 | 2 | 1 | 1 | 1 |

#### Overall

| Pos | Driver | SUZ | SUZ | MOT1 | MOT1 | MOT1 | OKA1 | OKA1 | FUJ1 | FUJ1 | OKA2 | OKA2 | FUJ2 | FUJ2 | MOT2 | MOT2 | SUG | SUG | Points |
| 1 | Nick Cassidy | 10 | 1 | 1 | 3 | 3 | 1 | 2 | 2 | 1 | 5 | 4 | 1 | 2 | 2 | 5 | 1 | 1 | 129 |
| 2 | Kenta Yamashita | 16 | 3 | 2 | 1 | 1 | 8 | 1 | 1 | 3 | 2 | 2 | 5 | 1 | 3 | 2 | 4 | 3 | 113 |
| 3 | Mitsunori Takaboshi | 1 | 2 | 3 | 2 | 4 | 3 | 3 | 3 | 2 | 1 | 1 | 3 | Ret | 4 | 3 | 5 | 8 | 92 |
| 4 | Nirei Fukuzumi | 5 | 7 | 4 | 4 | 2 | 7 | 5 | 5 | 4 | 4 | 5 | 2 | 3 | 1 | 1 | 3 | 5 | 72 |
| 5 | Lucas Ordóñez | 4 | 5 | 6 | 6 | 6 | 2 | 4 | | | 3 | 3 | 9 | 6 | 9 | Ret | 2 | 2 | 43 |
| 6 | Tsubasa Takahashi | 3 | 4 | 5 | 5 | 5 | 5 | 6 | 7 | 8 | 9 | 8 | 4 | Ret | 8 | 6 | 8 | 6 | 22 |
| 7 | Keishi Ishikawa | 2 | 6 | 8 | 8 | 7 | 13 | Ret | 6 | 6 | 6 | 6 | 8 | 7 | 6 | 4 | 6 | 4 | 20 |
| 8 | Struan Moore | 6 | 8 | 7 | 7 | 8 | 4 | 7 | 8 | 7 | 7 | 7 | 7 | 5 | 7 | 7 | 9 | 7 | 6 |
| 9 | Daiki Sasaki | | | | | | | | 4 | 5 | | | | | | | | | 5 |
| 10 | Katsumasa Chiyo | | | | | | | | | | | | 6 | 4 | | | | | 4 |
| 11 | Yuhi Sekiguchi | | | | | | | | | | | | | | 5 | Ret | 7 | 9 | 2 |
| 12 | Tairoku Yamaguchi | 7 | 9 | 9 | 9 | 9 | 6 | 8 | 9 | 9 | 8 | 9 | 10 | 8 | 10 | 8 | 10 | 12 | 1 |
| | Ai Miura | 8 | 11 | 10 | 11 | 11 | Ret | 10 | 11 | 11 | 10 | 11 | 12 | 10 | 12 | 10 | 12 | 11 | 0 |
| | Ryo Ogawa | 9 | 10 | 11 | 10 | 10 | 9 | 9 | 10 | 10 | 11 | 10 | 11 | 9 | 11 | 9 | 11 | 10 | 0 |
| | Alex Yang | 13 | 15 | Ret | 14 | 14 | 10 | 13 | Ret | 15 | 15 | Ret | 14 | 13 | Ret | 12 | Ret | 15 | 0 |
| | "Dragon" | 11 | 12 | 12 | 12 | 12 | Ret | 11 | 12 | 12 | 12 | 12 | 13 | 11 | 13 | 11 | 13 | 13 | 0 |
| | Motoyoshi Yoshida | 12 | 14 | 14 | Ret | Ret | 11 | 12 | 13 | 13 | 14 | 14 | 17 | 14 | | | | | 0 |
| | Masaru Miura | 14 | 13 | 13 | 13 | 13 | 12 | Ret | 14 | 14 | 13 | 13 | 15 | 12 | 14 | 13 | 14 | Ret | 0 |
| | Guillaume Cunnington | 15 | 16 | 15 | 15 | Ret | WD | WD | | | | | 16 | 15 | NC | Ret | 15 | 14 | 0 |
| Pos | Driver | SUZ | SUZ | MOT1 | MOT1 | MOT1 | OKA1 | OKA1 | FUJ1 | FUJ1 | OKA2 | OKA2 | FUJ2 | FUJ2 | MOT2 | MOT2 | SUG | SUG | Points |
| Colour | Result |
| Gold | Winner |
| Silver | Second place |
| Bronze | Third place |
| Green | Points finish |
| Blue | Non-points finish |
| Blue | Non-classified finish (NC) |
| Purple | Retired (Ret) |
| Red | Did not qualify (DNQ) |
| Red | Did not pre-qualify (DNPQ) |
| Black | Disqualified (DSQ) |
| White | Did not start (DNS) |
| White | Withdrew (WD) |
| White | Race cancelled (C) |
| Blank | Did not practice (DNP) |
| Blank | Did not arrive (DNA) |
| Blank | Excluded (EX) |

#### National Class

| Pos | Driver | SUZ | SUZ | MOT1 | MOT1 | MOT1 | OKA1 | OKA1 | FUJ1 | FUJ1 | OKA2 | OKA2 | FUJ2 | FUJ2 | MOT2 | MOT2 | SUG | SUG | Points |
| 1 | Ryo Ogawa | 9 | 10 | 11 | 10 | 10 | 9 | 9 | 10 | 10 | 11 | 10 | 11 | 9 | 11 | 9 | | | 168 |
| 2 | Ai Miura | 8 | 11 | 10 | 11 | 11 | Ret | 10 | 11 | 11 | 10 | 11 | 12 | 10 | 12 | 10 | | | 109 |
| 3 | "Dragon" | 11 | 12 | 12 | 12 | 12 | Ret | 11 | 12 | 12 | 12 | 12 | 13 | 11 | 13 | 11 | | | 70 |
| 4 | Masaru Miura | 14 | 13 | 13 | 13 | 13 | 12 | Ret | 14 | 14 | 13 | 13 | 15 | 12 | 14 | 13 | | | 41 |
| 5 | Alex Yang | 13 | 15 | Ret | 14 | 14 | 10 | 13 | Ret | 15 | 15 | Ret | 14 | 13 | Ret | 12 | | | 31 |
| 6 | Guillaume Cunnington | 15 | 16 | 15 | 15 | Ret | WD | WD | | | | | 16 | 15 | NC | Ret | | | 6 |
| 7 | Motoyoshi Yoshida | | | | | | | | | | | | 17 | 14 | | | | | 1 |
| Pos | Driver | SUZ | SUZ | MOT1 | MOT1 | MOT1 | OKA1 | OKA1 | FUJ1 | FUJ1 | OKA2 | OKA2 | FUJ2 | FUJ2 | MOT2 | MOT2 | SUG | SUG | Points |

### Teams' Championship

* Points are awarded as follows:
| 1 | 2 | 3 | 4 | 5 | 6 |
| 10 | 7 | 5 | 3 | 2 | 1 |
| Pos | Tuner | SUZ | SUZ | MOT1 | MOT1 | MOT1 | OKA1 | OKA1 | FUJ1 | FUJ1 | OKA2 | OKA2 | FUJ2 | FUJ2 | MOT2 | MOT2 | SUG | SUG | Points |
| 1 | Petronas Team TOM'S | 10 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 2 | 2 | | | 128 |
| 2 | B-MAX Racing Team with NDDP | 1 | 2 | 3 | 2 | 4 | 2 | 3 | 3 | 2 | 1 | 1 | 3 | 6 | 4 | 3 | | | 90 |
| 3 | HFDP Racing | 3 | 4 | 4 | 4 | 2 | 5 | 5 | 5 | 4 | 4 | 5 | 2 | 3 | 1 | 1 | | | 67 |
| 4 | Toda Racing | 2 | 6 | 8 | 8 | 7 | 13 | Ret | 6 | 6 | 6 | 6 | 8 | 7 | 6 | 4 | | | 16 |
| 5 | KCMG | 6 | 8 | 7 | 7 | 8 | 4 | 7 | 8 | 7 | 7 | 7 | 7 | 5 | 7 | 7 | | | 6 |
| 6 | B-MAX Racing Team | 11 | 12 | 12 | 12 | 12 | Ret | 11 | 12 | 12 | 12 | 12 | 6 | 4 | 5 | 11 | | | 6 |
| 7 | Tairoku Hanashima Racing | 7 | 9 | 9 | 9 | 9 | 6 | 8 | 9 | 9 | 8 | 9 | 10 | 8 | 10 | 8 | | | 1 |
| | Exedy Racing Team | 8 | 11 | 10 | 11 | 11 | Ret | 10 | 11 | 11 | 10 | 11 | 12 | 10 | 12 | 10 | | | 0 |
| | TOM'S | 9 | 10 | 11 | 10 | 10 | 9 | 9 | 10 | 10 | 11 | 10 | 11 | 9 | 11 | 9 | | | 0 |
| | KRC Hanashima Racing | 13 | 15 | Ret | 14 | 14 | 10 | 13 | Ret | 15 | 15 | Ret | 14 | 13 | Ret | 12 | | | 0 |
| | RSS with B-MAX Racing Team | 12 | 14 | 14 | Ret | Ret | 11 | 12 | 13 | 13 | 14 | 14 | 17 | 14 | | | | | 0 |
| | CMS | 14 | 13 | 13 | 13 | 13 | 12 | Ret | 14 | 14 | 13 | 13 | 15 | 12 | 14 | 13 | | | 0 |
| | FSC Motorsport | 15 | 16 | 15 | 15 | Ret | WD | WD | | | | | 16 | 15 | NC | Ret | | | 0 |
| Poo | Driver | SUZ | SUZ | MOT1 | MOT1 | MOT1 | OKA1 | OKA1 | FUJ1 | FUJ1 | OKA2 | OKA2 | FUJ2 | FUJ2 | MOT2 | MOT2 | SUG | SUG | Points |

### Engine Tuners' Championship

| Pos | Tuner | SUZ | SUZ | MOT1 | MOT1 | MOT1 | OKA1 | OKA1 | FUJ1 | FUJ1 | OKA2 | OKA2 | FUJ2 | FUJ2 | MOT2 | MOT2 | SUG | SUG | Points |
| 1 | TOM'S | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | | | 144 |
| 2 | M-TEC | 3 | 4 | 4 | 4 | 2 | 5 | 5 | 5 | 4 | 4 | 5 | 2 | 3 | 1 | 1 | | | 67 |
| 3 | Toda Racing | 2 | 6 | 8 | 8 | 7 | 13 | Ret | 6 | 6 | 6 | 6 | 8 | 7 | 6 | 4 | | | 16 |
| Pos | Tuner | SUZ | SUZ | MOT1 | MOT1 | MOT1 | OKA1 | OKA1 | FUJ1 | FUJ1 | OKA2 | OKA2 | FUJ2 | FUJ2 | MOT2 | MOT2 | SUG | SUG | Points |