Reds, through Jack Powell's penalty, were 1-0 up until the second minute of added time when Ben Gladwin scored for the home side.
But who stood out for the Reds? These are the player ratings for the Swindon match on Tuesday from the supporters
SEE ALSO 'Sometimes he leaves his brain in the dressing room but when he’s on it, he’s on it' - Crawley Town boss John Yems defends midfielder who has faced criticism from fans | 'It feels like a loss but it's a tough point' - Crawley Town boss John Yems' reaction to Swindon Town draw | Swindon Town 1, Crawley Town 1: Late equaliser denies Reds victory at Robins