 Complete the following phrase:  The 2018 Spa-Francorchamps FIA Formula 2 round was a pair of motor races held on 25 and 26 August 2018 at the Circuit de Spa-Francorchamps in Stavelot, Belgium as part of the FIA Formula 2 Championship. It was the ninth round of the 2018 FIA Formula 2 Championship and was run in support of the 