Chelsea came from a goal down to beat AFC Bournemouth 2-1 at the Vitality Stadium on Tuesday.
Cherries signing Emiliano Marcondes broke the deadlock on 66 minutes, converting a header to stun the visitors.
Armando Broja recently signed a five-year extension with the Blues, and the Albania international did himself plenty of favours when he equalised after 77 minutes.
22-year-old Ike Ugbo, who spent last season on loan at Cercle Brugge, then headed home a cross from Ross Barkley to give Chelsea victory.
Conor Gallagher, linked with Leeds United and Newcastle United, was the only player to feature for the entire 90 minutes.
Thomas Tuchel's side will continue their preseason preparations with a short trip to the Emirates to face Arsenal on Sunday.
