Overview
- Arsenal led through Marcell Washington on 17 minutes before Troy Perrett leveled two minutes later.
- Rojas was sent off just before the hour after a challenge on substitute Luke Pearce, leaving Arsenal with 10 men.
- Will Spiers put Cardiff ahead with a curling effort in the 67th minute, and debutant Trey George sealed the result in added time.
- Manager Brian Barry-Murphy handed first-team debuts to Gabriel Keita, Alyas Debono, Matty Apter, Trey George and Dan Ola as Cardiff topped Southern Group A.
- Arsenal were eliminated at the group stage with a squad affected by youth international absences and no first-team reinforcements; the last-32 draw is scheduled for 14:30 GMT on 13 November, with Exeter City also advancing from the group.