Here is scenario in which SSG makes the postseason with 1 additional wins (66 total).

Here are the final standings in the scenario:
            Team	W	L	D	PCT	GB
              LG	90	49	5	0.6475	0.0
          Hanwha	83	58	3	0.5887	8.0
              KT	72	66	6	0.5217	17.5
           Lotte	69	67	8	0.5074	19.5
             SSG	66	72	6	0.4783	23.5
              NC	65	71	8	0.4779	23.5
         Samsung	67	74	3	0.4752	24.0
             KIA	66	73	5	0.4748	24.0
          Doosan	64	73	7	0.4672	25.0
          Kiwoom	50	89	5	0.3597	40.0

To construct the scenario, we start with the current standings:
            Team	W	L	D	GL	PCT	GB
              LG	80	49	3	12	0.620	0.0
          Hanwha	76	53	3	12	0.589	4.0
             SSG	65	60	4	15	0.520	13.0
              KT	65	63	4	12	0.508	14.5
         Samsung	66	64	2	12	0.508	14.5
           Lotte	63	64	6	11	0.496	16.0
              NC	61	62	6	15	0.496	16.0
             KIA	61	65	4	14	0.484	17.5
          Doosan	56	70	6	12	0.444	22.5
          Kiwoom	43	86	4	11	0.333	37.0

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	-	0	0	2	0	0	0	1	1	4	8
Hanwha	1	-	3	1	0	0	1	0	0	1	7
KIA	0	0	-	0	0	0	0	3	1	1	5
Kiwoom	1	0	1	-	1	0	0	1	2	1	7
KT	0	2	1	0	-	0	0	1	1	2	7
LG	1	3	0	0	2	-	1	2	1	0	10
Lotte	0	0	1	0	0	0	-	1	3	1	6
NC	0	0	0	0	0	0	1	-	1	2	4
Samsung	0	0	1	0	0	0	0	0	-	0	1
SSG	0	0	1	0	0	0	0	0	0	-	1
-----------------------------------------------------------------------------------
Losses	3	5	8	3	3	0	3	9	10	12

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

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	-	8	6	11	4	6	7	6	7	9	64
Hanwha	7	-	12	14	9	5	10	9	8	9	83
KIA	9	4	-	7	8	5	8	9	8	8	66
Kiwoom	5	2	7	-	6	7	4	6	6	7	50
KT	11	7	8	10	-	4	6	7	11	8	72
LG	10	10	11	9	10	-	10	10	10	10	90
Lotte	7	6	8	11	8	4	-	8	10	7	69
NC	8	6	6	9	8	6	8	-	8	6	65
Samsung	9	8	8	10	5	6	5	8	-	8	67
SSG	7	7	7	8	8	6	9	8	6	-	66
-----------------------------------------------------------------------------------
Losses	73	58	73	89	66	49	67	71	74	72

					Scenario Total Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	1	1	0	1	0	2	2	0	0	7
Hanwha	0	-	0	0	0	1	0	1	0	0	3
KIA	0	0	-	2	0	0	0	1	0	1	5
Kiwoom	0	0	0	-	0	0	1	1	0	1	5
KT	0	0	0	0	-	2	2	1	0	0	6
LG	0	0	0	0	2	-	2	0	0	0	5
Lotte	1	0	0	1	0	0	-	0	1	0	8
NC	0	0	1	0	0	0	0	-	0	2	8
Samsung	0	0	0	0	0	0	0	0	-	2	3
SSG	0	0	0	0	0	0	0	1	1	-	6
-----------------------------------------------------------------------------------
Total	7	3	5	5	6	5	8	8	3	6

# SSG Landers magic number
# SSG's magic number
# Landers magic number
# KBO Playoff Race