Jorge Martin z czasem 1:30’205 ustanowił najszybszy czas okrążenia podczas trzeciej sesji treningowej do Grand Prix Tajlandii. Drugi Jack Miller stracił do Martina 0,012 sek! Pierwsza dziewiętnastka zmieściła się w mniej niż jedną sekundę.
| POS | RIDER | NAT | TEAM | TIME/DIFF | LAP | MAX |
| 1 | Jorge Martin | SPA | Pramac Ducati (GP22) | 1’30.205s | 16/18 | 336k |
| 2 | Jack Miller | AUS | Ducati Lenovo (GP22) | +0.012s | 18/18 | 335k |
| 3 | Fabio Quartararo | FRA | Monster Yamaha (YZR-M1) | +0.105s | 18/23 | 334k |
| 4 | Brad Binder | RSA | Red Bull KTM (RC16) | +0.200s | 21/21 | 333k |
| 5 | Alex Rins | SPA | Suzuki Ecstar (GSX-RR) | +0.239s | 21/23 | 333k |
| 6 | Johann Zarco | FRA | Pramac Ducati (GP22) | +0.284s | 19/21 | 336k |
| 7 | Enea Bastianini | ITA | Gresini Ducati (GP21) | +0.287s | 18/19 | 336k |
| 8 | Marco Bezzecchi | ITA | Mooney VR46 Ducati (GP21)* | +0.308s | 16/20 | 335k |
| 9 | Luca Marini | ITA | Mooney VR46 Ducati (GP22) | +0.311s | 19/22 | 335k |
| 10 | Marc Marquez | SPA | Repsol Honda (RC213V) | +0.321s | 20/21 | 334k |
| 11 | Miguel Oliveira | POR | Red Bull KTM (RC16) | +0.613s | 15/20 | 331k |
| 12 | Aleix Espargaro | SPA | Aprilia Racing (RS-GP) | +0.626s | 17/18 | 334k |
| 13 | Franco Morbidelli | ITA | Monster Yamaha (YZR-M1) | +0.687s | 17/18 | 333k |
| 14 | Cal Crutchlow | GBR | WithU Yamaha RNF (YZR-M1) | +0.701s | 17/18 | 330k |
| 15 | Remy Gardner | AUS | KTM Tech3 (RC16)* | +0.723s | 18/19 | 330k |
| 16 | Fabio Di Giannantonio | ITA | Gresini Ducati (GP21)* | +0.736s | 17/19 | 333k |
| 17 | Francesco Bagnaia | ITA | Ducati Lenovo (GP22) | +0.939s | 4/17 | 336k |
| 18 | Maverick Viñales | SPA | Aprilia Racing (RS-GP) | +0.973s | 17/19 | 335k |
| 19 | Pol Espargaro | SPA | Repsol Honda (RC213V) | +0.975s | 18/20 | 331k |
| 20 | Alex Marquez | SPA | LCR Honda (RC213V) | +1.226s | 5/21 | 332k |
| 21 | Tetsuta Nagashima | JPN | LCR Honda (RC213V) | +1.438s | 21/21 | 329k |
| 22 | Darryn Binder | RSA | WithU Yamaha RNF (YZR-M1)* | +1.481s | 18/19 | 328k |
| 23 | Danilo Petrucci | ITA | Suzuki Ecstar (GSX-RR) | +1.623s | 18/19 | 328k |
| 24 | Raul Fernandez | SPA | KTM Tech3 (RC16)* | No Time | 0/0 | 0 |