Maverick Vinales mengalahkan Jack Miller dalam perebutan posisi pertama FP1 MotoGP Phillip Island, sementara juara Marc Marquez jatuh.
Vinales meraih catatan waktu tercepat pada FP1 MotoGP Australia 2018, dengan membukukan waktu 1 m 29,952 detik. Berikut Hasil lengkap FP1 MotoGP Australia 2018:
| Pos | Rider | Team | Bike | Time | Gap | Laps |
|---|---|---|---|---|---|---|
| 1 | Maverick Vinales | Yamaha | Yamaha | 1m29.952s | – | 23 |
| 2 | Jack Miller | Pramac Ducati | Ducati | 1m29.989s | 0.037s | 19 |
| 3 | Danilo Petrucci | Pramac Ducati | Ducati | 1m30.027s | 0.075s | 20 |
| 4 | Andrea Dovizioso | Ducati | Ducati | 1m30.121s | 0.169s | 20 |
| 5 | Cal Crutchlow | LCR Honda | Honda | 1m30.266s | 0.314s | 21 |
| 6 | Marc Marquez | Honda | Honda | 1m30.384s | 0.432s | 16 |
| 7 | Andrea Iannone | Suzuki | Suzuki | 1m30.418s | 0.466s | 19 |
| 8 | Johann Zarco | Tech3 Yamaha | Yamaha | 1m30.658s | 0.706s | 21 |
| 9 | Karel Abraham | Aspar Ducati | Ducati | 1m30.772s | 0.820s | 20 |
| 10 | Valentino Rossi | Yamaha | Yamaha | 1m30.828s | 0.876s | 19 |
| 11 | Pol Espargaro | KTM | KTM | 1m30.936s | 0.984s | 20 |
| 12 | Hafizh Syahrin | Tech3 Yamaha | Yamaha | 1m30.956s | 1.004s | 20 |
| 13 | Dani Pedrosa | Honda | Honda | 1m30.984s | 1.032s | 18 |
| 14 | Alvaro Bautista | Ducati | Ducati | 1m31.197s | 1.245s | 19 |
| 15 | Alex Rins | Suzuki | Suzuki | 1m31.207s | 1.255s | 23 |
| 16 | Takaaki Nakagami | LCR Honda | Honda | 1m31.339s | 1.387s | 22 |
| 17 | Bradley Smith | KTM | KTM | 1m31.546s | 1.594s | 15 |
| 18 | Franco Morbidelli | MVDS Honda | Honda | 1m31.670s | 1.718s | 22 |
| 19 | Scott Redding | Aprilia | Aprilia | 1m31.941s | 1.989s | 15 |
| 20 | Xavier Simeon | Avintia Ducati | Ducati | 1m32.013s | 2.061s | 18 |
| 21 | Thomas Luthi | MVDS Honda | Honda | 1m32.024s | 2.072s | 21 |
| 22 | Aleix Espargaro | Aprilia | Aprilia | 1m32.334s | 2.382s | 18 |
| 23 | Jordi Torres | Avintia Ducati | Ducati | 1m32.793s | 2.841s | 19 |
| 24 | Mike Jones | Aspar Ducati | Ducati | 1m35.012s | 5.060s | 22 |
