Arsenal played their home games at White Hart Lane, as Highbury had been transformed to support Air Raid Precautions.
[2][3] Arsenal's manager, George Allison, was influential in the London club's breakaway movement.
Arsenal faced Brentford in the semifinals, tying the first match and requiring a replay.
[4] Arsenal won the London War League, scoring 108 goals in 30 matches.
Arsenal played one match against bottom-of-the-table Watford and were only able to field eight men and lost 3-1.