According to Racer, Léo Roussel isn't in Spa at all so the #5 Ginetta is down to two drivers. No reasons given for the lack of track activity or Roussel's absence. I wonder did Roussel decide to get off the ship before it sank?
http://racer.com/2018/05/03/alonso-l...ession-at-spa/
This situation is bizarre.