Chelsea secured a win at the City Ground, thanks to a second-half surge sparked by Josh Acheampong's first senior goal.
The Blues were outplayed in the first half but stunned Ange Postecoglou's struggling side with two quick goals after the break. Acheampong's 49th-minute header opened the scoring, before Pedro Neto doubled the lead.
Reece James added a third goal late on, ensuring the win and punishing a Forest side that could have scored multiple goals themselves. Chelsea ended the match with 10 men after Pedro Neto was sent off late on.
Josh Acheampong's first senior goal sparked a second-half flurry.
Author's summary: Chelsea wins at Forest with a strong second half.