Western Japan Formula 4 Championship Round 5 & Round 6
F4 Round 5 Race Best Lap Order
DATE:2017-10-29 WEATHER : Rain COURSE : Wet Suzuka Circuit East Course 2.243km
| Pos. | No. | Cls. | Driver | Type | Team/Car | Time | Delay | Gap | Laps | |
| 1 | 12 | S | 1 | Yoshisuke Ohara | KKZ-S | Sato Manufacturing KKZ-S Tomei Automobile Workshop Mist | 57.201 | 141.17km/h | 5/18 | |
| 2 | 43 | S | 2 | Takuji Saegusa | RD10W | TAKE FIRST Studio Comment 10W | 59.217 | 2.016 | 2.016 | 6/18 |
| 3 | 77 | S | 3 | Nobuo Kubo | KK-A | Auto Select Japan ☆ MYST ☆ Brake Shop | 59.263 | 2.062 | 0.046 | 12/18 |
| 4 | 27 | H | 1 | Masato Yamaura | WEST006 | Eagle Win Inazuma | 59.774 | 2.573 | 0.511 | 16/18 |
| 5 | 6 | S | 4 | Shun Nakamura | F108 | NRF・Yonettani | 1'00.716 | 3.515 | 0.942 | 17/17 |
| 6 | 95 | H | 2 | Kensuke Sato | WEST976 | KRS Red Ranger - ANDARE - 976 | 1'01.525 | 4.324 | 0.809 | 8/17 |
| 7 | 46 | H | 3 | Hidenori Ihae | WEST056 | This time, I hope to participate in the race. Inoue | 1'01.697 | 4.496 | 0.172 | 4/17 |
