SEATTLE — Lauren Jackson scored a season-high 32 points and hit back-to-back 3-pointers during a decisive run to end the third quarter to help the Seattle Storm hand the Atlanta Dream their first loss of the season, 90-72 on Tuesday night.

The Dream (6-1), now in its third year, had been the last unbeaten team in the league. The Storm (6-1) won their second straight to continue the best start in franchise history.

Jackson had just scored a season-high 27 on Sunday in an 84-56 win at San Antonio. On Tuesday, she hit 10 of 19 from the field, including 5 of 8 from behind the 3-point line. She also had 10 rebounds.

Angel McCoughtry, the league’s leading scorer at 24.0 points coming into the game, led the Dream with 16.