Jonathan Rea finished the first day of testing for the WorldSBK riders on top of the timesheets, the 2019 Kawasaki ZX-10R proving to be as fast as ever with the Northern Irishman aboard. Alvaro Bautista adapted to the Pirelli tires and WorldSBK Ducati Panigale V4 quickly setting the second fastest time three tenths behind Rea, and a quarter of a second ahead of his Aruba.it Ducati teammate Chaz Davies. Alex Lowes was the fastest Yamaha in fourth.

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