SEATTLE -- Tina Thompson had 17 points and 11 rebounds and Tanisha Wright added 16 points and the Seattle Storm earned a 69-63 victory over the San Antonio Silver Stars on Sunday.
Wright's two free throws with 10.9 seconds left made it a two-possession game.
Camille Little also had a double-double for Seattle (10-12), scoring 11 points and grabbing 10 rebounds.
Jia Perkins had 19 points for the Silver Stars (8-15), and Jayne Appel had a double-double with 11 points and 16 rebounds.
The Storm, in the Western Conference's fourth and final playoff spot, regained a 2 1/2-game lead on fifth-place San Antonio after being routed 77-56 by the Silver Stars on Friday night.
After trailing for the entire game on Friday, the Storm led by as many as 17 points on Sunday, the last time at 45-28 with 8:01 left in the third quarter.
Seattle then missed its next eight shots, and the Silver Stars got as close as eight points at 47-39 before the Storm stretched it back to 11 at 56-45 going into the final 10 minutes.
Seattle never got the lead back to double digits in the fourth quarter. But San Antonio never came closer than three points at 66-63 on a lay-in by Appel with 13.8 seconds left.
The teams traded the lead nine times in the first quarter. The last of those lead changes came with 1:47 left when Thompson's shot put the Storm on top 16-15, and they never trailed again.