Delhi Dynamos were struggling at the bottom of the table until the last game when a draw against FC Goa helped them climb up the table, leaving NorthEast United FC below.
The club has been making steady progress for the last couple of matches and will target full points against ATK at Jawaharlal Nehru Stadium.
"We played for a win against FC Goa (in the last game). As I've said all along, we want to finish this competition well, for us and for our (club) president. They understand the (low) position is not good for us. But they also understand that we can finish well and for that we must play for a win," said Delhi Dynamos coach Miguel Angel Portugal.
They are placed ninth with 12 points from 15 matches and can climb above ATK, who are just above them with 13 points from 15 matches.
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This has been an unusual season for ATK. The defending champions have never failed to qualify for the semi-finals and have won the league twice in the last three years.
In fact, since Westwood took charge, ATK have lost four of their five matches and the only point they got was a draw against Kerala Blasters.
"For us, we need to stop conceding. We are good attacking-wise. We have nothing to lose and we try and win games. So, we open ourselves a little bit but attack in a quick aggressive way," said Westwood, after his team lost against Mumbai City FC 1-2 in the previous game.
His team has been hampered by injuries to some foreign players but will feel confident they can get full points, just like they did in the home clash at Vivekananda Yuba Bharati Krirangan, Kolkata, with or without their goal-scorer Robbie Keane.