Azura Stevens scored 17 points and the Chicago Sky finished the regular season with an 82-67 victory over Phoenix. Allie Quigley added 14 points, Emma Meesseman 11 and Kahleah Copper 11 for the Sky.
The Sky will open defense of their league title as the No. 2 seed against the seventh-seeded New York Liberty. The Sky dominated the Mercury from the start, leading 15-8 after one quarter and 39-25 at halftime.
Megan Gustafson had 12 points and 10 rebounds for Phoenix. Jennie Simms added 12 points, Kaela Davis 11, and Diamond DeShields 10. The Mercury will be the eighth seed and face top-seeded Las Vegas on Wednesday.
Marina Mabrey scored 27 points and playoff-bound Dallas Wings rode a 41-point second quarter to a 116-88 victory over the Los Angeles Sparks. Teaira McCowan added 24 for the winning side.
Tyasha Harris had her first career double-double for Dallas (18-18), combining 18 points with a career-high 11 assists. Kayla Thornton added 15 points and Allisha Gray scored 14. Brittney Sykes scored 35 points, the only starter in double figures for Los Angeles.
The Sparks (13-23) finished the regular season with nine losses in their final 10 games. Dallas was a lock for the No. 6 seed in the playoffs against No. 3 Connecticut. The series begins on Thursday in Connecticut.
Elena Delle Donne scored 22 points and Washington defeated Indiana 95-83 on Sunday in the regular-season finale. Tiffany Mitchell scored 18 points for Indiana (5-31), which finishes the season on a WNBA-record 18-game losing streak.
The Mystics took the lead for good with 3:19 remaining in the first quarter and never looked back. The score was 57-40 by halftime, with Delle Donne racking up 16 points. The Mystics (22-14), were already headed to the WNBA playoffs as the No. 5 seed.
Washington will play at No. 4-seed Seattle on Thursday.
Read for the rest of season finale games here.