Hasil Latihan Bebas 3 Moto3 Motegi Jepang 2018, Sabtu 20 Oktober 2018
| Pos. | Num. | Pembalap | Negara | Tim | Motor | Km/h | Waktu | Gap 1st/Prev. |
| 1 | 88 | Jorge MARTIN | SPA | Del Conca Gresini Moto3 | Honda | 213.5 | 1’56.911 | |
| 2 | 42 | Marcos RAMIREZ | SPA | Bester Capital Dubai | KTM | 214.3 | 1’57.037 | 0.126 / 0.126 |
| 3 | 12 | Marco BEZZECCHI | ITA | Redox PruestelGP | KTM | 216.5 | 1’57.266 | 0.355 / 0.229 |
| 4 | 5 | Jaume MASIA | SPA | Bester Capital Dubai | KTM | 215.4 | 1’57.288 | 0.377 / 0.022 |
| 5 | 71 | Ayumu SASAKI | JPN | Petronas Sprinta Racing | Honda | 217.4 | 1’57.377 | 0.466 / 0.089 |
| 6 | 21 | Fabio DI GIANNANTONIO | ITA | Del Conca Gresini Moto3 | Honda | 215 | 1’57.440 | 0.529 / 0.063 |
| 7 | 19 | Gabriel RODRIGO | ARG | RBA BOE Skull Rider | KTM | 215 | 1’57.520 | 0.609 / 0.080 |
| 8 | 40 | Darryn BINDER | RSA | Red Bull KTM Ajo | KTM | 213.1 | 1’57.562 | 0.651 / 0.042 |
| 9 | 75 | Albert ARENAS | SPA | Angel Nieto Team Moto3 | KTM | 213.3 | 1’57.568 | 0.657 / 0.006 |
| 10 | 48 | Lorenzo DALLA PORTA | ITA | Leopard Racing | Honda | 214.7 | 1’57.578 | 0.667 / 0.010 |
| 11 | 14 | Tony ARBOLINO | ITA | Marinelli Snipers Team | Honda | 218.1 | 1’57.622 | 0.711 / 0.044 |
| 12 | 44 | Aron CANET | SPA | Estrella Galicia 0,0 | Honda | 211.2 | 1’57.626 | 0.715 / 0.004 |
| 13 | 24 | Tatsuki SUZUKI | JPN | SIC58 Squadra Corse | Honda | 214 | 1’57.629 | 0.718 / 0.003 |
| 14 | 33 | Enea BASTIANINI | ITA | Leopard Racing | Honda | 214.7 | 1’57.647 | 0.736 / 0.018 |
| 15 | 65 | Philipp OETTL | GER | Sudmetal Schedl GP Racing | KTM | 215.1 | 1’57.655 | 0.744 / 0.008 |
| 16 | 10 | Dennis FOGGIA | ITA | SKY Racing Team VR46 | KTM | 216.7 | 1’57.806 | 0.895 / 0.151 |
| 17 | 22 | Kazuki MASAKI | JPN | RBA BOE Skull Rider | KTM | 213.8 | 1’58.016 | 1.105 / 0.210 |
| 18 | 77 | Vicente PEREZ | SPA | Reale Avintia Academy 77 | KTM | 215.4 | 1’58.027 | 1.116 / 0.011 |
| 19 | 84 | Jakub KORNFEIL | CZE | Redox PruestelGP | KTM | 214 | 1’58.052 | 1.141 / 0.025 |
| 20 | 27 | Kaito TOBA | JPN | Honda Team Asia | Honda | 216.5 | 1’58.141 | 1.230 / 0.089 |
| 21 | 16 | Andrea MIGNO | ITA | Angel Nieto Team Moto3 | KTM | 213.1 | 1’58.179 | 1.268 / 0.038 |
| 22 | 17 | John MCPHEE | GBR | CIP – Green Power | KTM | 215.2 | 1’58.255 | 1.344 / 0.076 |
| 23 | 7 | Adam NORRODIN | MAL | Petronas Sprinta Racing | Honda | 214.7 | 1’58.384 | 1.473 / 0.129 |
| 24 | 31 | Celestino VIETTI | ITA | SKY Racing Team VR46 | KTM | 212.8 | 1’58.433 | 1.522 / 0.049 |
| 25 | 72 | Alonso LOPEZ | SPA | Estrella Galicia 0,0 | Honda | 210.8 | 1’58.484 | 1.573 / 0.051 |
| 26 | 81 | Stefano NEPA | ITA | CIP – Green Power | KTM | 215 | 1’58.673 | 1.762 / 0.189 |
| 27 | 41 | Nakarin ATIRATPHUVAPAT | THA | Honda Team Asia | Honda | 216.3 | 1’58.690 | 1.779 / 0.017 |
| 28 | 23 | Niccolò ANTONELLI | ITA | SIC58 Squadra Corse | Honda | 212.2 | 1’59.064 | 2.153 / 0.374 |
| 29 | 36 | Yuto FUKUSHIMA | JPN | Team Plus One | Honda | 205.9 | 2’03.553 | 6.642 / 4.489 |
| 30 | 13 | Shizuka OKAZAKI | JPN | Kohara Racing Team | Honda | 204.3 | 2’03.911 | 7.000 / 0.358 |