G1 Supercard was a professional wrestling supershow co-produced by the American Ring of Honor (ROH) and Japanese New Japan Pro-Wrestling (NJPW) promotions. It was the 13th annual Supercard of Honor event and took place on April 6, 2019, at Madison Square Garden in New York City, New York. The event was streamed live on Honor Club, New Japan Pro-Wrestling World, FITE TV, and broadcast live on traditional pay-per-view outlets.