To be in with a chance of winning, head to the club's official Twitter or Facebook accounts and re-tweet or like and share the relevant posts.
One supporter will be selected from Twitter and one from Facebook and will then have to put their case in writing to Town manager, Mark Cooper, explaining why they should be part of his squad before he makes the final decision as to who will be Swindon's number 12 on the day.
Click here to go to the official Twitter account.
Click here to go to the official Facebook account.
To purchase tickets for the match, click here to go to the eticketing website.