Washington is eliminated from first place.

To show that Washington is eliminated from first place, we start with the current standings:
            Team	W	L	GL	PCT	GB
       Minnesota	33	11	0	0.750	0.0
    Golden State	32	12	0	0.727	1.0
       Las Vegas	31	13	0	0.705	2.0
         Atlanta	30	14	0	0.682	3.0
         Indiana	28	16	0	0.636	5.0
      Washington	28	16	0	0.636	5.0
          Dallas	27	17	0	0.614	6.0
        New York	26	18	0	0.591	7.0
        Portland	17	27	0	0.386	16.0
         Chicago	16	28	0	0.364	17.0
     Los Angeles	16	28	0	0.364	17.0
         Phoenix	16	28	0	0.364	17.0
     Connecticut	11	33	0	0.250	22.0
         Toronto	11	33	0	0.250	22.0
         Seattle	8	36	0	0.182	25.0
           Total	330	330	0

Washington can finish the season with at most 28 + 0 = 28 wins and will finish the season behind the following teams:
Minnesota has already won 33 games.
Golden State has already won 32 games.
Las Vegas has already won 31 games.
Atlanta has already won 30 games.
# Washington Mystics's magic number
# Washington's magic number
# Mystics's magic number
# WNBA Playoff Race