Red Bull boss Christian Horner says Ferrari's dramatic drop down the order has left the team feeling bitter about the races the Italian team won with its controversial engine in 2019.
Rivals suspected Ferrari's engine was illegal last year and after preseason testing this year the FIA confirmed it had reached a private settlement with the team on the issue. Seven of F1's 10 teams accused the FIA of a lack of transparency over the issue, although the cancellation of the Australian Grand Prix in March prevented it from becoming a bigger row.
The significance of the settlement has been clear to see this year, with Ferrari slipping down the competitive order.