Arsenal manager, Mikel Arteta, is adamant his team will beat Chelsea if they replicate their performance against Inter Milan.
The Gunners lost 1-0 to the Serie A side in the Champions League on Wednesday night.
It was their second consecutive defeat, after they were beaten 1-0 at Newcastle United last weekend.
Hakan Calhanoglu’s controversial penalty just before half time proved decisive at San Siro.
Arteta now must pick his players up ahead of a Premier League trip to Chelsea on Sunday.
He said: “If we play the way we play, we‘ll have a big chance to win against Chelsea.
“That‘s the way we have to go. I told them that I’m proud of them.
“I haven‘t seen them play in Europe in the manner that we have today. We are disappointed because we didn’t get what we wanted out of the game, that’s for sure.”