Isaac Olaofe's 84th minute winners condemned John Yems' to defeat and saw them drop down to 12th in League Two.
There was a crowd of 3,572 - Crawley's biggest home crowd of the season - who saw an entertaining game full of incident.
Photographer Cory Pickford was at the game - ere are a selection of his photos.
SEE ALSO Crawley Town 0, Sutton United 1: Who stood out in a frustrating afternoon for the Reds? Here are our player ratings / 'That'll be another £750 fine for me I suppose' - Furious Crawley Town manager John Yems slams referee after 1-0 defeat to Sutton United / Crawley Town 0-1 Sutton United RECAP: Visitors score late winner after Tom Nichols missed penalty