My prediction is that Valencia will be a difficult race for Fabio Quartararo, because there are two sectors of the Valencia circuit that can be utilized by all Ducati riders, especially young riders who are still hungry for victory like Marco Bezzecchi who during yesterday's race in Malaysia had beaten Marc Marquez. This makes Fabio Quartararo have to fight even harder because he is the only one at Yamaha who is able to perform well and this is clearly different from the riders at Ducati who on average can perform better than Fabio Di Giannantonio.
It's not the main factor I think because Quartararo must be riding hard to be no.1 on Valencia which I think like mission impossible to champion for this year. he is so burdened, while Bagnaia, just doesn't need to crash to be the champions, Bagnaia only needs to finish at 13th, whatever the result even Quartararo on 1st. So, I have no doubt Ducati, especially Bagnaia been a champion since in Sepang.