Breanna Stewart had 33 points and 14 rebounds to help the visiting Liberty beat the Chicago Sky 88-75 on Tuesday.
The Liberty (8-2) won their fourth in a row and avenged their loss to the Sky (3-5) on May 23.
New York went on a 15-2 run to start the fourth quarter after Chicago erased a 17-point first-half deficit.
Guard Sabrina Ionescu added 24 points and seven rebounds for the Liberty, who held the Sky to a season-low 32.4 percent from the floor.
Chicago rookie Angel Reese was ejected after receiving two technical fouls with 2:31 remaining in the game.
Reese finished with 13 points and 10 rebounds but shot 3 of 12 from the floor in the loss.
The Liberty controlled the game in the first quarter, shooting 57.9 percent in the frame to take a 31-15 lead after one.
Stewart paved the way with 15 points on 5-of-7 shooting, including 2-of-2 from 3-point range.
Chicago responded in the second quarter.
Chennedy Carter, who received a flagrant foul after knocking down Indiana Fever rookie Caitlin Clark on Saturday, scored 10 of her 15 first-half points in the quarter.
The Sky outscored the Liberty 33-18 in the frame and entered the break trailing 49-48.
After a low-scoring third quarter, the Liberty took control in the fourth.
Trailing 66-65 entering the final period, the Liberty jumped ahead 80-68 with 6:02 left in the game.
They held Chicago to 2-of-16 shooting from the floor in the quarter to pull away for the win.
Carter led the Sky with 16 points off the bench while Marina Mabrey added 15, and veteran Elizabeth Williams scored 10 points.
Betnijah Laney-Hamilton had 14 points and five assists for the Liberty, who made 10 of 32 shots from beyond the arc.
