Juara bertahan Marc Marquez mengalahkan rekan setimnya Dani Pedrosa pada hari kedua ujicoba MotoGP 2018 di Thailand.
| POS | DRIVER | TEAM | CAR | TIME | GAP | LAPS |
|---|---|---|---|---|---|---|
| 1 | Marc Marquez | Honda | Honda | 1m29.969s | – | 97 |
| 2 | Dani Pedrosa | Honda | Honda | 1m30.127s | 0.158s | 71 |
| 3 | Jack Miller | Pramac Ducati | Ducati | 1m30.185s | 0.216s | 69 |
| 4 | Maverick Vinales | Yamaha | Yamaha | 1m30.274s | 0.305s | 90 |
| 5 | Johann Zarco | Tech3 Yamaha | Yamaha | 1m30.360s | 0.391s | 60 |
| 6 | Danilo Petrucci | Pramac Ducati | Ducati | 1m30.367s | 0.398s | 75 |
| 7 | Alex Rins | Suzuki | Suzuki | 1m30.446s | 0.477s | 56 |
| 8 | Cal Crutchlow | LCR Honda | Honda | 1m30.490s | 0.521s | 85 |
| 9 | Andrea Dovizioso | Ducati | Ducati | 1m30.494s | 0.525s | 78 |
| 10 | Jorge Lorenzo | Ducati | Ducati | 1m30.729s | 0.760s | 57 |
| 11 | Andrea Iannone | Suzuki | Suzuki | 1m30.775s | 0.806s | 76 |
| 12 | Tito Rabat | Avintia Ducati | Ducati | 1m30.855s | 0.886s | 69 |
| 13 | Alvaro Bautista | Aspar Ducati | Ducati | 1m30.883s | 0.914s | 89 |
| 14 | Valentino Rossi | Yamaha | Yamaha | 1m30.888s | 0.919s | 65 |
| 15 | Takaaki Nakagami | LCR Honda | Honda | 1m30.901s | 0.932s | 83 |
| 16 | Bradley Smith | KTM | KTM | 1m31.113s | 1.144s | 79 |
| 17 | Aleix Espargaro | Aprilia | Aprilia | 1m31.130s | 1.161s | 65 |
| 18 | Franco Morbidelli | MVDS Honda | Honda | 1m31.185s | 1.216s | 68 |
| 19 | Mika Kallio | KTM | KTM | 1m31.598s | 1.629s | 99 |
| 20 | Scott Redding | Aprilia | Aprilia | 1m31.637s | 1.668s | 67 |
| 21 | Karel Abraham | Aspar Ducati | Ducati | 1m31.661s | 1.692s | 72 |
| 22 | Thomas Luthi | MVDS Honda | Honda | 1m31.994s | 2.025s | 71 |
| 23 | Hafizh Syahrin | Tech3 Yamaha | Yamaha | 1m31.998s | 2.029s | 49 |
| 24 | Xavier Simeon | Avintia Ducati | Ducati | 1m32.267s | 2.298s | 60 |
