Playing at the Supachalasai Stadium in Bangkock, the Toffees suffered their first defeat of the summer, losing to a second-half strike from Gary Taylor-Fletcher.
The goal arrived in the 54th minute: a near-post tap in aided by some sloppy work from Joel Robles.
Martinez named one of his strongest available line-ups, but—with frequent substitutions—it became increasingly inexperienced as the game progressed.
Leicester's lead was rarely threatened, as the Toffees finished with several younger players gaining first-team exposure.
Here's a look at some Everton-related talking points for Martinez to digest.