Frank Lampard makes nine changes from the side which began the win over Barcelona in Japan, with Andreas Christensen and Christian Pulisic the two starting both games.
Olivier Giroud will lead the attack today in Berkshire with Kenedy playing on the opposite flank to Pulisic.
There is a start for Danny Drinkwater in midfield and Fikayo Tomori partners Christensen in defence.
Willy Caballero in goal is today's captain. He spoke to this website about pre-season.
For Reading, former Chelsea midfielder John Swift starts but Matt Miazga, who re-joined the Royals on loan last week, is on the bench, as is their other new arrival Charlie Adam and former Chelsea Academy goalkeeper Sam Walker.
Chelsea: Caballero (c); Zappacosta, Christensen, Tomori, Alonso, Drinkwater, Bakayoko, Pulisic, Barkley, Kenedy, Giroud.
Subs: Kepa, Cumming, Azpilicueta, David Luiz, Zouma, Emerson, Jorginho, Kovacic, Mount, Abraham, Batshuayi, Pedro.
Reading: Virginia, Moore (c), Barrow, Rinomhota, Swift, Loader, McIntyre, Yiadom, Meite, Blackett, Barrett.
Subs: Walker, Morrison, Miazga, Baldock, Olise, Howe, Novakovich, Adam, Richards, Holsgrove, Watson, East.
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