Round 6 of the 2021 Japanese Super Formula Championship was held at Twin Ring Motegi, Japan on 17 October 2021. Hiroki Otsu started on pole position and was the race winner.
Race Result
| Pos. | No. | Driver | Abbreviation | Nationality | Team | Engine | Tyre | Laps | Race Time | Gap | Interval | Best Lap | Lap |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 15 | Hiroki Otsu | OTS | Japan | Red Bull MUGEN Team Goh | HONDA/M-TEC HR-417E | Yokohama | 35 | 1:09:37.200 | - | - | 1:32.570 | 35 |
| 2 | 39 | Sena Sakaguchi | SAK | Japan | P.MU/CERUMO･INGING | TOYOTA/TRD 01F | Yokohama | 35 | 1:09:38.906 | 1.706 | 1.706 | 1:32.717 | 35 |
| 3 | 6 | Tadasuke Makino | MAK | Japan | DOCOMO TEAM DANDELION RACING | HONDA/M-TEC HR-417E | Yokohama | 35 | 1:09:42.467 | 5.267 | 3.561 | 1:32.918 | 32 |
| 4 | 19 | Yuhi Sekiguchi | SEK | Japan | carenex TEAM IMPUL | TOYOTA/TRD 01F | Yokohama | 35 | 1:09:43.558 | 6.358 | 1.091 | 1:33.067 | 32 |
| 5 | 16 | Tomoki Nojiri | NOJ | Japan | TEAM MUGEN | HONDA/M-TEC HR-417E | Yokohama | 35 | 1:09:43.954 | 6.754 | 0.396 | 1:32.961 | 35 |
| 6 | 51 | Nobuharu Matsushita | MAT | Japan | B-Max Racing Team | HONDA/M-TEC HR-417E | Yokohama | 35 | 1:09:45.830 | 8.630 | 1.876 | 1:32.864 | 34 |
| 7 | 36 | Kazuki Nakajima | NAK | Japan | Kuo VANTELIN TEAM TOM’S | TOYOTA/TRD 01F | Yokohama | 35 | 1:09:46.914 | 9.714 | 1.084 | 1:32.462 | 34 |
| 8 | 3 | Kenta Yamashita | KEN | Japan | KONDO RACING | TOYOTA/TRD 01F | Yokohama | 35 | 1:09:49.907 | 12.707 | 2.993 | 1:33.434 | 35 |
| 9 | 37 | Ritomo Miyata | MIY | Japan | Kuo VANTELIN TEAM TOM’S | TOYOTA/TRD 01F | Yokohama | 35 | 1:09:52.190 | 14.990 | 2.283 | 1:33.505 | 35 |
| 10 | 7 | Kamui Kobayashi | KOB | Japan | KCMG | TOYOTA/TRD 01F | Yokohama | 35 | 1:09:54.562 | 17.362 | 2.372 | 1:32.972 | 32 |
| 11 | 14 | Kazuya Oshima | OSH | Japan | NTT Communications ROOKIE | TOYOTA/TRD 01F | Yokohama | 35 | 1:10:01.510 | 24.310 | 6.948 | 1:32.768 | 34 |
| 12 | 5 | Nirei Fukuzumi | FUK | Japan | DOCOMO TEAM DANDELION RACING | HONDA/M-TEC HR-417E | Yokohama | 35 | 1:10:02.058 | 24.858 | 0.548 | 1:32.595 | 35 |
| 13 | 4 | Sacha Fenestraz | FEN | France | KONDO RACING | TOYOTA/TRD 01F | Yokohama | 34 | 1:09:59.484 | 1 lap | 1 lap | 1:33.423 | 33 |
| 14 | 64 | Toshiki Oyu | OYU | Japan | TCS NAKAJIMA RACING | HONDA/M-TEC HR-417E | Yokohama | 34 | 1:10:24.963 | 1 lap | 25.479 | 1:31.422 | 31 |
| DNF | 38 | Sho Tsuboi | TUB | Japan | P.MU/CERUMO･INGING | TOYOTA/TRD 01F | Yokohama | 20 | 41:56.590 | 15 laps | 14 laps | 1:41.707 | 16 |
| DNF | 1 | Naoki Yamamoto | NAO | Japan | TCS NAKAJIMA RACING | HONDA/M-TEC HR-417E | Yokohama | 20 | 42:01.003 | 15 laps | 4.413 | 1:42.644 | 14 |
| DNF | 20 | Ryo Hirakawa | HIR | Japan | carenex TEAM IMPUL | TOYOTA/TRD 01F | Yokohama | 20 | 42:01.384 | 15 laps | 0.381 | 1:42.902 | 15 |
| DNF | 12 | Tatiana Calderón | TAT | Colombia | ThreeBond DragoCORSE | HONDA/M-TEC HR-417E | Yokohama | 16 | 31:41.493 | 19 laps | 4 laps | 1:45.081 | 16 |
| DNF | 18 | Yuji Kunimoto | KUN | Japan | KCMG | TOYOTA/TRD 01F | Yokohama | 2 | 3:57.823 | 33 laps | 14 laps | 1:50.161 | 2 |