The game takes place in Croatia, the first round of matches of this season’s European competition.
The official Lineups for Chelsea is out.
Chelsea’s goal scorer and assist maker at the weekend, Chilwell, returns to the starting 11.
New signing, Aubameyang, also makes a debut appearance for the blue of London.
Chelsea’s Starting 11: Kepa; Fofana, Azpilicueta (C), Koulibaly; Mount, Kovacic, James, Chilwell; Havertz, Sterling, Aubameyang.
Substitutes: Bettinelli, Mendy; Cucurella, Chalobah, Chukwuemeka, Gallagher, Jorginho, Loftus Cheek, Zakaria, Pulisic, Ziyech, Broja.