Ashwin remained unbeaten on 40 off 23 balls as RR completed the chase of 151 with two balls to go, grabbing the second place to set up a blockbuster clash with Gujarat Titans in the first play-off next Tuesday. Moeen Ali top-scored for CSK with a 57-ball 93 before RR staged a remarkable comeback to restrict the yellow brigade to 150 for six in the allotted 20 overs.