The Robins finished 6th in the table to secure a two-legged affair against Port Vale.
The winner will face a trip to Wembley Stadium with a chance to earn a place in next season’s League One table.
Four wins on the trot to end the regular season positioned Swindon well to gain some momentum into the promotion shootout.
But for now, test your knowledge of the club by taking our latest quiz…
Quiz: 24 facts every Swindon Town supporter should know about their club - Can you score full marks?