Round 5 of the 2018 Japanese Super Formula Championship was held at Twin Ring Motegi, Japan on 19 August 2018. Hiroaki Ishiura was the race winner.
Race Result
| Pos. | No. | Driver | Abbreviation | Nationality | Team | Engine | Tyre | Laps | Race Time | Gap | Interval | Best Lap |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Hiroaki Ishiura | ISH | Japan | JMS P.MU/CERUMO・INGING | TOYOTA RI4A | Yokohama | 52 | 1:24:19.998 | 177.63 km/h | - | 1:35.734 |
| 2 | 20 | Ryo Hirakawa | HIR | Japan | ITOCHU ENEX TEAM IMPUL | TOYOTA RI4A | Yokohama | 52 | 1:24:22.722 | 2.724 | 2.724 | 1:34.912 |
| 3 | 3 | Nick Cassidy | CAS | New Zealand | ORIENTALBIO KONDO | TOYOTA RI4A | Yokohama | 52 | 1:24:46.452 | 26.454 | 23.730 | 1:34.849 |
| 4 | 6 | Nobuharu Matsushita | MAT | Japan | DOCOMO DANDELION M6Y | Honda HR-417E | Yokohama | 52 | 1:24:49.573 | 29.575 | 3.121 | 1:35.709 |
| 5 | 8 | Kazuya Oshima | OSH | Japan | UOMO SUNOCO | TOYOTA RI4A | Yokohama | 52 | 1:24:58.816 | 38.818 | 9.243 | 1:35.015 |
| 6 | 4 | Kenta Yamashita | KEN | Japan | ORIENTALBIO KONDO | TOYOTA RI4A | Yokohama | 52 | 1:25:01.641 | 41.643 | 2.825 | 1:36.359 |
| 7 | 16 | Naoki Yamamoto | NAO | Japan | TEAM MUGEN | Honda HR-417E | Yokohama | 52 | 1:25:03.616 | 43.618 | 1.975 | 1:36.068 |
| 8 | 5 | Tomoki Nojiri | NOJ | Japan | DOCOMO DANDELION M5S | Honda HR-417E | Yokohama | 52 | 1:25:10.751 | 50.753 | 7.135 | 1:36.231 |
| 9 | 37 | James Rossiter | ROS | Great Britain | VANTELIN KOWA TOM’S | TOYOTA RI4A | Yokohama | 52 | 1:25:12.037 | 52.039 | 1.286 | 1:36.766 |
| 10 | 17 | Koudai Tsukakoshi | TSU | Japan | REAL | Honda HR-417E | Yokohama | 52 | 1:25:24.528 | 1:04.530 | 12.491 | 1:36.076 |
| 11 | 64 | Narain Karthikeyan | KAR | India | TCS NAKAJIMA RACING | Honda HR-417E | Yokohama | 52 | 1:25:28.648 | 1:08.650 | 4.120 | 1:36.612 |
| 12 | 7 | Tom Dillmann | DIL | France | UOMO SUNOCO | TOYOTA RI4A | Yokohama | 52 | 1:25:29.147 | 1:09.149 | 0.499 | 1:35.389 |
| 13 | 18 | Yuichi Nakayama | NAK | Japan | KCMG Elyse | TOYOTA RI4A | Yokohama | 52 | 1:25:30.108 | 1:10.110 | 0.961 | 1:36.174 |
| 14 | 65 | Takuya Izawa | IZA | Japan | TCS NAKAJIMA RACING | Honda HR-417E | Yokohama | 52 | 1:25:30.995 | 1:10.997 | 0.887 | 1:35.223 |
| 15 | 2 | Yuji Kunimoto | KUN | Japan | JMS P.MU/CERUMO・INGING | TOYOTA RI4A | Yokohama | 52 | 1:25:39.078 | 1:19.080 | 8.083 | 1:35.731 |
| 16 | 19 | Yuhi Sekiguchi | SEK | Japan | ITOCHU ENEX TEAM IMPUL | TOYOTA RI4A | Yokohama | 52 | 1:25:39.673 | 1:19.675 | 0.595 | 1:36.704 |
| 17 | 15 | Nirei Fukuzumi | FUK | Japan | TEAM MUGEN | Honda HR-417E | Yokohama | 52 | 1:25:41.455 | 1:21.457 | 1.782 | 1:34.758 |
| 18 | 36 | J.P.de・Oliveira | OLI | Brazil | VANTELIN KOWA TOM’S | TOYOTA RI4A | Yokohama | 52 | 1:25:48.337 | 1:28.339 | 6.882 | 1:35.467 |
| 19 | 50 | Katsumasa Chiyo | CHI | Japan | B-Max Racing | Honda HR-417E | Yokohama | 50 | 1:25:35.934 | 2 laps | 2 laps | 1:37.083 |