Kvyat doesn't understand Toro Rosso's lack of pace

Daniil Kvyat says he doesn't fully understand where Toro Rosso's speed has gone after a difficult weekend in Azerbaijan.

The Russian was forced to retire from the race after a bizarre incident with Daniel Ricciardo in which the Australian mistakenly reversed into the Toro Rosso driver, causing damage to both cars that would lead to eventual retirement.

Speaking to Autosport after the race, Kvyat admitted he didn't quite understand where the team's speed had disappeared to, with rookie teammate Alexander Albon also struggling during the race.

“We lost a big amount of grip all of a sudden,” Kvyat said.