Candice Dupree scored 20 of her 23 points in the first half to lead the Chicago Sky to an 84-72 victory over the Connecticut Sun on Saturday night.
Jia Perkins scored 16 points, Dominique Canty and Erin Thorn had 11 each and Shyra Ely added 10 for the Sky (10-10). Canty also had two steals to reach 300 for her career.
Tan White scored 16 points, Anete Jekabsone-Zogota had 12 and Asjha Jones 10 for the Sun (9-9).
Trailing by six early in the second quarter, Chicago used a franchise-record 26-0 run to take a 46-26 lead on Ely's driving layup with 59 seconds left in the first half.
The Sky stretched the lead to 69-42, their biggest of the game, on Thorn's 3-pointer with 3 minutes left in the third. The Sun pulled within 11 late in the fourth quarter, but got no closer.
Chicago has won two of three from Connecticut this season, taking the season series for the first time in its four-year history.
The Sun used a 15-0 run that began late in the first quarter to take a 26-20 lead on Amber Holt's jumper with 7:08 left in the half.
Dupree, who had eight points in the first quarter, then had 10 in the Sky's big run over the next 6 minutes to take control of the game. Chicago led 51-31 at halftime.