Here is scenario in which Samsung wins 46 additional games (89 total) but does not reach the postseason.

Here are the final standings in the scenario:
            Team	W	L	D	PCT	GB
              NC	87	52	5	0.6259	0.0
          Hanwha	88	53	3	0.6241	0.0
              LG	88	53	3	0.6241	0.0
           Lotte	88	53	3	0.6241	0.0
             SSG	88	53	3	0.6241	0.0
         Samsung	89	54	1	0.6224	0.0
             KIA	60	81	3	0.4255	28.0
              KT	47	94	3	0.3333	41.0
          Doosan	44	97	3	0.3121	44.0
          Kiwoom	26	115	3	0.1844	62.0

To construct the scenario, we start with the current standings:
            Team	W	L	D	GL	PCT	GB
          Hanwha	49	33	2	60	0.598	0.0
              LG	46	37	2	59	0.554	3.5
           Lotte	46	37	3	58	0.554	3.5
             KIA	45	37	3	59	0.549	4.0
             SSG	42	39	3	60	0.519	6.5
              KT	43	40	3	58	0.518	6.5
         Samsung	43	41	1	59	0.512	7.0
              NC	37	40	5	62	0.481	9.5
          Doosan	34	48	3	59	0.415	15.0
          Kiwoom	26	59	3	56	0.306	24.5

The next two tables show, respectively, how many of their remaining games each team wins and ties against each of the other teams in the scenario:

					Scenario Additional Wins Against
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Wins
Doosan	-	0	0	6	4	0	0	0	0	0	10
Hanwha	7	-	8	6	8	0	5	0	0	5	39
KIA	7	0	-	4	4	0	0	0	0	0	15
Kiwoom	0	0	0	-	0	0	0	0	0	0	0
KT	0	0	0	4	-	0	0	0	0	0	4
LG	8	5	8	7	9	-	1	0	0	4	42
Lotte	7	1	7	7	4	7	-	0	4	5	42
NC	7	4	9	7	8	5	8	-	2	0	50
Samsung	4	8	6	8	9	4	2	5	-	0	46
SSG	9	2	6	7	8	0	0	7	7	-	46
-----------------------------------------------------------------------------------
Losses	49	20	44	56	54	16	16	12	13	14

					Scenario Additional Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	0	0	0	1	0	0	2	0	0	0
Hanwha	0	-	0	0	0	2	0	1	0	0	1
KIA	0	0	-	2	0	0	0	0	0	1	0
Kiwoom	0	0	0	-	0	0	0	1	0	0	0
KT	0	0	0	0	-	0	2	0	0	0	0
LG	0	1	0	0	0	-	1	0	0	0	1
Lotte	0	0	0	0	0	0	-	0	0	0	0
NC	0	0	0	0	0	0	0	-	0	1	0
Samsung	0	0	0	0	0	0	0	0	-	1	0
SSG	0	0	0	0	0	0	0	0	0	-	0
-----------------------------------------------------------------------------------
Total	0	1	0	0	0	1	0	0	0	0

The next two tables show, respectively, how many total games each team wins and ties against each of the other teams in the scenario:

					Scenario Total Wins Against
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Wins
Doosan	-	4	2	13	8	4	4	2	5	2	44
Hanwha	12	-	13	15	13	4	9	7	5	10	88
KIA	14	3	-	10	11	4	6	4	3	5	60
Kiwoom	3	1	4	-	3	3	2	2	3	5	26
KT	7	3	5	13	-	4	4	3	5	3	47
LG	12	10	12	13	12	-	5	6	6	12	88
Lotte	12	7	10	14	10	10	-	4	11	10	88
NC	12	8	12	13	13	10	12	-	5	2	87
Samsung	11	11	13	13	11	10	5	11	-	4	89
SSG	14	6	10	11	13	4	6	13	11	-	88
-----------------------------------------------------------------------------------
Losses	97	53	81	115	94	53	53	52	54	53

					Scenario Total Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	0	0	0	1	0	0	2	0	0	3
Hanwha	0	-	0	0	0	2	0	1	0	0	3
KIA	0	0	-	2	0	0	0	0	0	1	3
Kiwoom	0	0	0	-	0	0	0	1	0	0	3
KT	0	0	0	0	-	0	2	0	0	0	3
LG	0	1	0	0	0	-	1	0	0	0	3
Lotte	0	0	0	0	0	0	-	0	0	0	3
NC	0	0	0	0	0	0	0	-	0	1	5
Samsung	0	0	0	0	0	0	0	0	-	1	1
SSG	0	0	0	0	0	0	0	0	0	-	3
-----------------------------------------------------------------------------------
Total	3	3	3	3	3	3	3	5	1	3