Here is scenario in which Kiwoom makes the postseason with 34 additional wins (42 total).

Here are the final standings in the scenario:
            Team	W	L	D	PCT	GB
              LG	131	13	0	0.9097	0.0
           Lotte	120	20	4	0.8571	9.0
             SSG	106	38	0	0.7361	25.0
          Hanwha	96	44	4	0.6857	33.0
          Kiwoom	42	98	4	0.3000	87.0	See explanation of tie-breakers below.
          Doosan	42	98	4	0.3000	87.0	See explanation of tie-breakers below.
             KIA	42	98	4	0.3000	87.0	See explanation of tie-breakers below.
              NC	42	98	4	0.3000	87.0	See explanation of tie-breakers below.
         Samsung	42	98	4	0.3000	87.0	See explanation of tie-breakers below.
              KT	42	100	2	0.2958	88.0

Explanation of Tie-breakers:
The following table shows how many games each of the teams tied for fifth place in the scenario have already won against each other:
Team	Doosan	KIA	Kiwoom	NC	Samsung	Total
Doosan	-	1	2	0	1	4
KIA	0	-	1	1	1	3
Kiwoom	0	2	-	1	0	3
NC	0	1	2	-	2	5
Samsung	2	1	2	1	-	6

The following table shows how many additional games each of the teams tied for fifth place win against each other in the scenario:
Team	Doosan	KIA	Kiwoom	NC	Samsung	Total
Doosan	-	15	3	7	0	25
KIA	0	-	0	14	14	28
Kiwoom	11	10	-	0	13	34
NC	5	0	13	-	9	27
Samsung	13	0	0	4	-	17

The following table shows how many games total each of the teams tied for fifth place win against each other in the scenario:
Team	Doosan	KIA	Kiwoom	NC	Samsung	Total
Doosan	-	16	5	7	1	29
KIA	0	-	1	15	15	31
Kiwoom	11	12	-	1	13	37
NC	5	1	15	-	11	32
Samsung	15	1	2	5	-	23


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	-	0	15	3	8	0	0	7	0	0	33
Hanwha	13	-	13	13	14	0	5	15	11	0	84
KIA	0	0	-	0	5	0	0	14	14	0	33
Kiwoom	11	0	10	-	0	0	0	0	13	0	34
KT	5	0	7	15	-	0	0	5	0	0	32
LG	13	13	14	13	14	-	5	14	13	15	114
Lotte	13	7	13	13	13	9	-	13	14	13	108
NC	5	0	0	13	8	0	0	-	9	0	35
Samsung	13	0	0	0	14	0	0	4	-	0	31
SSG	14	13	14	13	14	0	0	16	13	-	97
-----------------------------------------------------------------------------------
Losses	87	33	86	83	90	9	10	88	87	28

					Scenario Additional Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	0	0	0	0	0	0	4	0	0	4
Hanwha	0	-	0	0	0	0	2	0	2	0	4
KIA	0	0	-	3	1	0	0	0	0	0	4
Kiwoom	0	0	3	-	0	0	0	0	1	0	4
KT	0	0	1	0	-	0	1	0	0	0	1
LG	0	0	0	0	0	-	0	0	0	0	0
Lotte	0	2	0	0	0	0	-	0	1	0	3
NC	4	0	0	0	0	0	0	-	0	0	4
Samsung	0	2	0	1	0	0	1	0	-	0	4
SSG	0	0	0	0	0	0	0	0	0	-	0
-----------------------------------------------------------------------------------
Total	4	4	4	4	1	0	3	4	4	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	-	1	16	5	9	1	2	7	1	0	42
Hanwha	15	-	15	15	15	0	5	16	12	3	96
KIA	0	1	-	1	7	0	2	15	15	1	42
Kiwoom	11	1	12	-	1	1	0	1	13	2	42
KT	7	1	8	15	-	1	1	7	2	0	42
LG	15	16	16	15	15	-	7	16	15	16	131
Lotte	14	9	14	16	14	9	-	15	15	14	120
NC	5	0	1	15	9	0	1	-	11	0	42
Samsung	15	2	1	2	14	1	0	5	-	2	42
SSG	16	13	15	14	16	0	2	16	14	-	106
-----------------------------------------------------------------------------------
Losses	98	44	98	98	100	13	20	98	98	38

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

# Kiwoom Heroes magic number
# Kiwoom's magic number
# Heroes magic number
# KBO Playoff Race