Kahleah Copper scored 32 points, the seventh time she's had over 30 this season, and the Phoenix Mercury beat the Dallas Wings 100-84 on Wednesday for their third straight series victory.
Brittney Griner added 23 points for Phoenix (12-10), which scored 100-plus points against Dallas for the second time in a week, following a 104-96 victory on July 3.
Copper scored 18 points in the first half and Griner added 13 to help Phoenix build a 49-46 lead. Copper scored seven of Phoenix's 31 third-quarter points to help pull away.
The Mercury improved to 10-0 when taking a lead into the fourth quarter this season.
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Natasha Cloud scored 14 points and Mikiah Herbert Harrigan added a season-high 12 for Phoenix. Copper was 12 of 19 from the field and 7 of 9 at the stripe. Diana Taurasi (leg) did not play for the second straight game.
Natasha Howard and Odyssey Sims each scored 19 points for Dallas (5-18). Teaira McCowan had 15 points and 10 rebounds, and Arike Ogunbowale had 13 points and a career-high 13 assists.