Both teams are undefeated in finals but will be meeting each other for the first time in the summit clash. ATK won the title in 2014 and 2016, while Chennaiyin FC lifted the trophy in 2015 and 2017. Both teams won once each in the league stage of the competition with ATK beating Chennaiyin FC 1-0 in Chennai and Owen Coyle’s side avenging that loss with a 3-1 win in Kolkata.