Kyle Larson, looking for his first Cup win, topped the speed chart on Friday.
Championship leader sets pace ahead of Mercedes team-mate Lewis Hamilton. Ferrari’s Fernando Alonso third.
In 2013, Keiko Ihara drove for OAK Racing in four rounds of the FIA World Endurance Championship.
Alexander Rossi will not make his race debut for the team at Spa.
Qualifying for this weekend's race is complete.
The first practice day for the Belgian Grand Prix in Spa-Francorchamps didn’t go exactly according to plan for the Sauber F1 Team.
Jenson Button: “With our low-downforce set-up, Eau Rouge is, er, interesting: you’ve got oversteer at more than 300km/h!”
Romain Grosjean ended the second session with the fourteenth fastest time.
Sebastian Vettel did not participate in the afternoon practice session.
The threat of rain did not materialize in Spa-Francorchamps.
Nico Rosberg setting the pace in the first practice session and Lewis Hamilton topping the second at the Circuit de Spa-Francorchamps.