Ferrari’s Antonio Fuoco topped the opening practice session for the 6 Hours of Spa-Francorchamps, setting a 2:05.690 onboard the #50 Ferrari 499P.
The Italian was more than a second ahead of teammate and countryman Antonio Giovinazzi — 1.141 seconds, with the latter, in the #51 Ferrari, setting a 2:06.831.
In third was the #63 Lamborghini Iron Lynx, with Daniil Kvyat setting the fastest time, 0.167 slower than Giovinazzi ahead of him.
Mick Schumacher went fourth, 0.022 slower than Kyvat, with the German driving the #36 Alpine A424.
Fifth was Yifei Ye in the #83 AF Corse Ferrari, a 2:07.087 the fastest for the young Chinese driver and that car.
A trio of Porsche 963s were sixth, seventh, and eighth — the #99 Proton Porsche of Neel Jani, followed by the two factory cars, Laurens Vanthoor in the #6 ahead of Fred Makowiecki in the sister #5.
Ninth was the leading Peugeot, Nico Muller in the #93, while 10th was Paul-Loup Chatin in the #35 Alpine.
There were no red flags or full course yellows in the session, just a few scattered local yellow flags for drivers who briefly spun or went off track.
Daniel Juncadella went quickest in LMGT3, the #82 TF Sport Corvette Z06 GT3R driver setting a 2:20.855.
Davide Rigon was second in the #54 AF Corse Ferrari 296 GT3, 0.335 off Juncadella. Third fastest was Daniel Mancinelli in the #27 Heart of Racing Aston Martin Vantage GT3, a further tenth and a half off Rigon.
FP2 begins at 5:30pm local time.