Here is scenario in which Samsung makes the postseason with 22 additional wins (46 total).

Here are the final standings in the scenario:
            Team	W	L	D	PCT	GB
              NC	126	17	1	0.8811	0.0
             KIA	111	29	4	0.7929	13.5
              LG	102	40	2	0.7183	23.5
          Doosan	91	49	4	0.6500	33.5
             SSG	46	94	4	0.3286	78.5	See explanation of tie-breakers below.
         Samsung	46	94	4	0.3286	78.5	See explanation of tie-breakers below.
          Hanwha	46	95	3	0.3262	79.0
          Kiwoom	45	95	4	0.3214	79.5
              KT	45	95	4	0.3214	79.5
           Lotte	45	95	4	0.3214	79.5

Explanation of Tie-breakers:
Samsung and SSG tie for fifth place and play a post-season game; the winner goes on to the wild-card game.

To construct the scenario, we start with the current standings:
            Team	W	L	D	GL	PCT	GB
             KIA	26	16	1	101	0.619	0.0
              NC	25	17	1	101	0.595	1.0
         Samsung	24	18	1	101	0.571	2.0
          Doosan	25	20	1	98	0.556	2.5
              LG	23	20	2	99	0.535	3.5
             SSG	23	20	1	100	0.535	3.5
          Kiwoom	18	24	0	102	0.429	8.0
              KT	18	25	1	100	0.419	8.5
          Hanwha	16	26	1	101	0.381	10.0
           Lotte	14	26	1	103	0.350	11.0

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	-	10	0	10	10	0	13	0	10	13	66
Hanwha	0	-	0	1	10	0	4	0	5	10	30
KIA	7	11	-	12	10	10	14	0	11	10	85
Kiwoom	0	7	0	-	10	0	5	0	4	1	27
KT	0	0	0	0	-	0	9	0	8	10	27
LG	11	14	0	11	13	-	10	0	10	10	79
Lotte	0	8	0	4	0	0	-	0	11	8	31
NC	11	11	13	14	11	10	10	-	10	11	101
Samsung	0	8	0	7	6	0	0	0	-	1	22
SSG	0	0	0	12	0	0	4	0	7	-	23
-----------------------------------------------------------------------------------
Losses	29	69	13	71	70	20	69	0	76	74

					Scenario Additional Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	0	4	0	0	0	0	0	0	0	3
Hanwha	0	-	0	2	0	0	0	1	0	0	2
KIA	3	0	-	0	0	0	0	0	0	0	3
Kiwoom	0	2	0	-	1	0	1	0	0	0	4
KT	0	0	0	1	-	0	3	0	0	0	3
LG	0	0	0	0	0	-	0	0	1	1	0
Lotte	0	0	0	1	2	0	-	0	0	0	3
NC	0	0	0	0	0	0	0	-	0	0	0
Samsung	0	0	0	0	0	0	0	0	-	3	3
SSG	0	0	0	0	0	0	0	0	3	-	3
-----------------------------------------------------------------------------------
Total	3	2	3	4	3	0	3	0	3	3

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	-	14	2	15	15	4	14	3	11	13	91
Hanwha	2	-	1	3	13	1	5	1	6	14	46
KIA	10	15	-	16	13	14	16	2	13	12	111
Kiwoom	1	11	0	-	11	4	10	0	6	2	45
KT	1	3	3	4	-	1	10	3	8	12	45
LG	12	15	2	12	15	-	15	4	13	14	102
Lotte	2	11	0	5	3	1	-	1	13	9	45
NC	13	14	14	16	13	12	15	-	13	16	126
Samsung	5	10	3	10	8	2	3	3	-	2	46
SSG	3	2	4	14	4	1	7	0	11	-	46
-----------------------------------------------------------------------------------
Losses	49	95	29	95	95	40	95	17	94	94

					Scenario Total Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	0	4	0	0	0	0	0	0	0	4
Hanwha	0	-	0	2	0	0	0	1	0	0	3
KIA	3	0	-	0	0	0	0	0	0	0	4
Kiwoom	0	2	0	-	1	0	1	0	0	0	4
KT	0	0	0	1	-	0	3	0	0	0	4
LG	0	0	0	0	0	-	0	0	1	1	2
Lotte	0	0	0	1	2	0	-	0	0	0	4
NC	0	0	0	0	0	0	0	-	0	0	1
Samsung	0	0	0	0	0	0	0	0	-	3	4
SSG	0	0	0	0	0	0	0	0	3	-	4
-----------------------------------------------------------------------------------
Total	4	3	4	4	4	2	4	1	4	4

# Samsung Lions magic number
# Samsung's magic number
# Lions magic number
# KBO Playoff Race