The club are reminding all supporters that the Gillingham match is an all ticket game for Sunderland fans and there will be no tickets available for purchase on the day at Gillingham.
There are still tickets remaining at the SAFC ticket office priced at £24 for adults, £20 for senior citizen and £18 for juniors.
Sunderland AFC advise all supporters not to travel without a valid ticket. No tickets will be made available to Sunderland supporters at the Stadium and fans without tickets will be turned away.