Arsenal routed Thomas Tuchel's Chelsea's in Florida on Saturday.
Gabriel Jesus, Martin Odegaard, Bukayo Saka and Albert Sambi Lokonga scored in a comprehensive 4-0 victory.
The Gunners dominated the match in front of a record 63,811 fans at Orlando's Camping World Stadium.
Arsenal have now won all three of their matches on their US tour, scoring nine goals.
Chelsea boss Tuchel was furious, saying: "I am far from relaxed.
"We were simply not good enough. We were simply not competitive."