Round 4 of the 2018 Japanese Super Formula Championship was held at Fuji Speedway, Japan on 8 July 2018. Nick Cassidy was the race winner.
Race Result
| Pos. | No. | Driver | Abbreviation | Nationality | Team | Engine | Tyre | Laps | Race Time | Gap | Interval | Best Lap |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Nick Cassidy | CAS | New Zealand | ORIENTALBIO KONDO | TOYOTA RI4A | Yokohama | 55 | 1:20:59.984 | - | - | 1:25.682 |
| 2 | 1 | Hiroaki Ishiura | ISH | Japan | JMS P.MU/CERUMO・INGING | TOYOTA RI4A | Yokohama | 55 | 1:21:04.270 | 4.286 | 4.286 | 1:25.810 |
| 3 | 2 | Yuji Kunimoto | KUN | Japan | JMS P.MU/CERUMO・INGING | TOYOTA RI4A | Yokohama | 55 | 1:21:32.730 | 32.746 | 32.746 | 1:26.134 |
| 4 | 20 | Ryo Hirakawa | HIR | Japan | ITOCHU ENEX TEAM IMPUL | TOYOTA RI4A | Yokohama | 55 | 1:21:35.290 | 35.306 | 35.306 | 1:26.023 |
| 5 | 36 | Kazuki Nakajima | KAZ | Japan | VANTELIN KOWA TOM’S | TOYOTA RI4A | Yokohama | 55 | 1:21:43.496 | 43.512 | 43.512 | 1:26.903 |
| 6 | 19 | Yuhi Sekiguchi | SEK | Japan | ITOCHU ENEX TEAM IMPUL | TOYOTA RI4A | Yokohama | 55 | 1:21:48.553 | 48.569 | 48.569 | 1:26.401 |
| 7 | 8 | Kazuya Oshima | OSH | Japan | UOMO SUNOCO | TOYOTA RI4A | Yokohama | 55 | 1:21:48.981 | 48.997 | 48.997 | 1:26.844 |
| 8 | 16 | Naoki Yamamoto | NAO | Japan | TEAM MUGEN | Honda HR-417E | Yokohama | 55 | 1:21:53.798 | 53.814 | 53.814 | 1:26.797 |
| 9 | 6 | Nobuharu Matsushita | MAT | Japan | DOCOMO DANDELION M6Y | Honda HR-417E | Yokohama | 55 | 1:21:57.424 | 57.44 | 57.44 | 1:27.006 |
| 10 | 7 | Tom Dillmann | DIL | France | UOMO SUNOCO | TOYOTA RI4A | Yokohama | 55 | 1:21:59.643 | 59.659 | 59.659 | 1:26.894 |
| 11 | 15 | Daniel Ticktum | TIC | Great Britain | TEAM MUGEN | Honda HR-417E | Yokohama | 55 | 1:22:18.112 | 1:18.128 | 1:18.128 | 1:27.262 |
| 12 | 18 | Kamui Kobayashi | KOB | Japan | KCMG Elyse | TOYOTA RI4A | Yokohama | 55 | 1:22:25.649 | 1:25.665 | 1:25.665 | 1:27.125 |
| 13 | 17 | Koudai Tsukakoshi | TSU | Japan | REAL | Honda HR-417E | Yokohama | 55 | 1:22:25.650 | 1:25.666 | 1:25.666 | 1:26.888 |
| 14 | 5 | Tomoki Nojiri | NOJ | Japan | DOCOMO DANDELION M5S | Honda HR-417E | Yokohama | 55 | 1:22:26.337 | 1:26.353 | 1:26.353 | 1:26.818 |
| 15 | 65 | Takuya Izawa | IZA | Japan | TCS NAKAJIMA RACING | Honda HR-417E | Yokohama | 54 | 1:21:16.401 | 1 lap | 1 lap | 1:26.850 |
| 16 | 64 | Narain Karthikeyan | KAR | India | TCS NAKAJIMA RACING | Honda HR-417E | Yokohama | 54 | 1:21:17.797 | 1 lap | 1 lap | 1:26.739 |
| 17 | 50 | Katsumasa Chiyo | CHI | Japan | B-Max Racing | Honda HR-417E | Yokohama | 54 | 1:21:18.930 | 1 lap | 1 lap | 1:27.037 |
| 18 | 4 | Kenta Yamashita | KEN | Japan | ORIENTALBIO KONDO | TOYOTA RI4A | Yokohama | 53 | 1:18:57.307 | 2 laps | 2 laps | 1:26.494 |
| 19 | 37 | James Rossiter | ROS | Japan | VANTELIN KOWA TOM’S | TOYOTA RI4A | Yokohama | 53 | 1:18:57.165 | 1:26.353 |