The Premier League team Leeds faced Crawley Town from the fourth division.
An easy victory for Leeds was thought by many - but it did not happen.
"I'm very sorry"
Crawley Town's lead came in the 50th minute and when 90 minutes were played it was clear that Leeds lost 3-0.
- I am very sad, we took the match very seriously and we wanted to move on so it is a disappointment, says Leeds midfielder Ezgjan Alioski BBC.