Candace Parker scored 24 points on 10-of-14 shooting and blocked three shots to help the Sparks beat the cold-shooting Chicago Sky 77-59 on Sunday.
The Sparks (5-2) never trailed and went on a 17-3 run starting late in the third quarter and extending into the fourth to build to their largest lead at 69-45.
Nneka Ogwumike added 16 points and eight rebounds, and Chelsea Gray scored 10 of her 15 points after the break for Los Angeles.
The Sky (3-5) made 21 of 74 (28.4 percent) shots from the field and hit only one of their first 21 3-point attempts before making the last two when the game was out of reach.
Cheyenne Parker had 17 points and 12 rebounds to lead Chicago. The Sky have lost five of six.