Jorge Martin (Del Conca Gresini Moto3) was the fastest rider in the third practice session for the lightweight class at Losail International Circuit, topping the timesheets with a 2:06.817 – also the fastest lap of the weekend so far. The top three was completed by Romano Fenati (Marinelli Rivacold Snipers) and Philipp Oetll (Südmetall Schedl GP Racing). Red Bull KTM Ajo’s Bo Bendsneyder was fourth fastest after another impressive session, just ahead of teammate Niccolo Antonelli, who was a late mover up into the top five. Sky Racing Team VR46 rider and Day 1 crasher Andrea Migno was sixth, just ahead of EG0,0’s Aron Canet. There were no crashes in FP3 for the Moto3™ field. Juanfran Guevara (RBA BOE Racing Team) was P8, with SIC Racing Team Malaysian Adam Norrodin in ninth. British Talent Team rider John McPhee completed the top ten in FP3, after Nicolo Bulega (Sky Racing Team VR46) had a laptime cancelled and was pushed back to P11.
Results FP3:
| POS | Rider | TEAM | Time |
| 1 | Jorge MARTIN | Del Conca Gresini Moto3 | 2’06.817 |
| 2 | Romano FENATI | Marinelli Rivacold Snipers | 2’06.989 |
| 3 | Philipp OETTL | Südmetall Schedl GP Racing | 2’07.159 |
| 4 | Bo BENDSNEYDER | Red Bull KTM Ajo | 2’07.162 |
| 5 | Niccolò ANTONELLI | Red Bull KTM Ajo | 2’07.207 |
| 6 | Andrea MIGNO | SKY Racing Team VR46 | 2’07.319 |
| 7 | Aron CANET | Estrella Galicia 0,0 | 2’07.373 |
| 8 | Juanfran GUEVARA | RBA BOE Racing Team | 2’07.425 |
| 9 | Adam NORRODIN | SIC Racing Team | 2’07.514 |
| 10 | John MCPHEE | British Talent Team | 2’07.545 |
| 11 | Nicolo BULEGA | SKY Racing Team VR46 | 2’07.748 |
| 12 | Joan MIR | Leopard Racing | 2’07.810 |
| 13 | Marcos RAMIREZ | Platinum Bay Real Estate | 2’07.921 |
| 14 | Fabio DI GIANNANTONIO | Del Conca Gresini Moto3 | 2’07.976 |
| 15 | Tony ARBOLINO | SIC58 Squadra Corse | 2’07.994 |
| 16 | Ayumu SASAKI | SIC Racing Team | 2’08.003 |
| 17 | Livio LOI | Leopard Racing | 2’08.073 |
| 18 | Enea BASTIANINI | Estrella Galicia 0,0 | 2’08.139 |
| 19 | Tatsuki SUZUKI | SIC58 Squadra Corse | 2’08.149 |
| 20 | Albert ARENAS | MAHINDRA MOTARD Aspar | 2’08.373 |
| 21 | Lorenzo DALLA PORTA | MAHINDRA MOTARD Aspar | 2’08.442 |
| 22 | Maria HERRERA | AGR Team | 2’08.648 |
| 23 | Jakub KORNFEIL | Peugeot MC Saxoprint | 2’08.784 |
| 24 | Nakarin ATIRATPHUVAPAT | Honda Team Asia | 2’09.068 |
| 25 | Jules DANILO | Marinelli Rivacold Snipers | 2’09.134 |
| 26 | Manuel PAGLIANI | CIP | 2’09.171 |
| 27 | Marco BEZZECCHI | CIP | 2’09.218 |
| 28 | Darryn BINDER | Platinum Bay Real Estate | 2’09.247 |
| 29 | Kaito TOBA | Honda Team Asia | 2’09.966 |
| 30 | Patrik PULKKINEN | Peugeot MC Saxoprint | 2’11.326 |
Source: motogp.com, ajo.fi
