Francesco Bagnaia led Sky Racing Team VR46 teammate Luca Marini in FP3 at the Czech GP, with the two Italians just under a tenth apart and three tenths ahead of Alex Marquez (EG 0,0 Marc VDS), who was their closest challenger. Iker Lecuona (Swiss Innovative Investors) was top KTM in fourth, with Miguel Oliveira (Red Bull KTM Ajo) taking P7.
Top rookie was Joan Mir (EG 0,0 Marc VDS), who hit back against Romano Fenati (Marinelli Snipers Team) as the two took P6 and P8 respectively.
Sam Lowes (Swiss Innovative Investors), Joe Roberts (NTS RW Racing GP) and Forward Racing team's Stefano Manzi and Eric Granado were amongst the crashers, riders ok.