Here is scenario in which SSG makes the postseason with 33 additional wins (42 total).

Here are the final standings in the scenario:
            Team	W	L	D	PCT	GB
          Doosan	120	22	2	0.8451	0.0
              KT	116	27	1	0.8112	4.5
          Hanwha	114	30	0	0.7917	7.0
              LG	107	35	2	0.7535	13.0
           Lotte	42	98	4	0.3000	77.0	See explanation of tie-breakers below.
             SSG	42	98	4	0.3000	77.0	See explanation of tie-breakers below.
             KIA	43	101	0	0.2986	78.0
         Samsung	42	99	3	0.2979	77.5
          Kiwoom	41	99	4	0.2929	78.0
              NC	41	99	4	0.2929	78.0

Explanation of Tie-breakers:
Lotte 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
              LG	17	4	0	123	0.810	0.0
           Lotte	12	10	1	121	0.545	5.5
          Hanwha	12	11	0	121	0.522	6.0
              KT	10	10	1	123	0.500	6.5
         Samsung	11	11	0	122	0.500	6.5
             SSG	9	10	0	125	0.474	7.0
          Doosan	9	11	0	124	0.450	7.5
             KIA	9	12	0	123	0.429	8.0
              NC	7	10	0	127	0.412	8.0
          Kiwoom	8	15	0	121	0.348	10.0

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	-	9	15	14	13	4	13	16	13	14	111
Hanwha	4	-	13	13	4	13	14	15	13	13	102
KIA	0	0	-	10	0	0	5	7	10	2	34
Kiwoom	0	0	3	-	0	0	12	4	10	4	33
KT	0	10	13	15	-	14	13	13	14	14	106
LG	7	0	14	13	0	-	14	14	13	15	90
Lotte	0	0	8	0	0	0	-	4	6	12	30
NC	0	0	7	6	0	0	8	-	9	4	34
Samsung	0	0	4	4	0	0	9	4	-	10	31
SSG	0	0	12	9	0	0	0	12	0	-	33
-----------------------------------------------------------------------------------
Losses	11	19	89	84	17	31	88	89	88	88

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

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	-	10	16	16	14	5	15	16	14	14	120
Hanwha	6	-	15	15	5	13	14	16	14	16	114
KIA	0	1	-	11	2	0	7	8	11	3	43
Kiwoom	0	1	5	-	1	1	12	5	10	6	41
KT	2	11	14	15	-	15	14	15	16	14	116
LG	9	3	16	15	1	-	16	16	15	16	107
Lotte	1	2	9	3	1	0	-	6	7	13	42
NC	0	0	8	8	1	0	9	-	11	4	41
Samsung	2	2	5	6	0	1	9	5	-	12	42
SSG	2	0	13	10	2	0	2	12	1	-	42
-----------------------------------------------------------------------------------
Losses	22	30	101	99	27	35	98	99	99	98

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

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