Breanna Stewart led league-leading Seattle with 16 points despite a poor shooting night and the Storm welcomed back Sue Bird with a 71-64 victory over the Washington Mystics.
Elena Delle Donne provided an emotional lift by playing through a back injury and her Mystics teammates responded by beating Connecticut 94-81, taking a 2-1 series lead.
The WNBA's playoff bracket is set on the final day of the regular season. Washington, Connecticut and Los Angeles had already sealed up the top-three playoff spots.
Hmm, that's an odd call. Due to travel snafu the Las Vegas Aces would arrive only hours before tip-off time against the Mystics. So the Aces forfeited the game.