Dominic Solanke scored the only goal of the game as Chelsea defeated Thailand All-Stars 1-0 in Bangkok.
The youngster netted from Ola Aina's cross in the first half as Chelsea opened their post-season tour with a victory.
The Blues named two separate XIs in each half, with Mourinho opting to field a mixture of first-team and academy players.
Charly Musonda and Eden Hazard both had chances to increase Chelsea's lead in the second half, and Thailand All-Stars posed few problems for the Premier League champions.
Chelsea will play Sydney FC on Tuesday.
