A free throw by Chicago's Astou Ndour with 9.8 seconds remaining secured an 87-83 win for the visiting Sky over Atlanta on Tuesday night, extending the Dream's losing streak to 12 games.
All five of the Sky's starters scored in double figures, led by Norcross graduate Diamond DeShields' 17 points. Ndour had 14 points and 10 rebounds, including a pivotal offensive board that led to her game-clinching free throw.
Courtney Vandesloot had 14 points and 10 assists for Chicago, which is in contention for a playoff spot at 16-11. The Sky's Allie Quigley scored 16 points.
Atlanta (5-22) was led by Tiffany Hayes' game-high 27 points.
After Chicago took an 80-75 lead with 2:31 left in regulation on a Ndour layup, Atlanta responded with a three-point play by Hayes on the next possession.
Vandersloot answered with a drive to the basket to give the Sky an 82-78 lead with 1:59 left. Alaina Coates of Atlanta and Quigley of Chicago then made two free throws on subsequent possessions, and the Sky led 84-80 with 1:21 remaining.
Hayes, who had 12 points in the fourth quarter, sank a 3-pointer with 26.6 seconds left to cut the deficit to 84-83. Vandersloot then made one of two free throws on the ensuing possession for Chicago.
After a timeout, Hayes missed a drive to the basket with 11.3 seconds left. Cheyenne Parker was fouled and made one of two free throws to give Chicago an 86-83 lead with 10.9 seconds left.
Ndour managed to get the offensive rebound for the Sky and hit one of two free throws after she was fouled with 9.8 seconds left.
Chicago made only 3 of 11 shots from 3-point range in the first half but center Stefanie Dolson made all three of her field-goal attempts, including one from beyond the arc, to finish the half with nine points. She finished with 12 points and six rebounds in the game.
Atlanta led 63-61 going into the fourth quarter. Chicago rallied from an eight-point deficit in the third quarter to lead 61-55 with 1:57 left in the period, but the Dream scored the last eight points behind a couple of baskets by Alex Bentley.
--Field Level Media