Doosan has been eliminated from first place.
Here are the current standings:
            Team	W	L	D	GL	PCT	GB
             KIA	87	55	2	0	0.613	0.0
         Samsung	78	64	2	0	0.549	9.0
              LG	76	66	2	0	0.535	11.0
          Doosan	74	68	2	0	0.521	13.0
              KT	72	70	2	0	0.507	15.0
             SSG	72	70	2	0	0.507	15.0
           Lotte	66	74	4	0	0.471	20.0
          Hanwha	66	76	2	0	0.465	21.0
              NC	61	81	2	0	0.430	26.0
          Kiwoom	58	86	0	0	0.403	30.0

Doosan cannot catch up to KIA.
Doosan's best possible winning percentage is 0.5211  (74 wins, 68 losses, and 2 draws).
KIA's worst possible winning percentage is 0.6127  (87 wins, 55 losses, and 2 draws).