Here is scenario in which KT makes the postseason with 25 additional wins (43 total).

Here are the final standings in the scenario:
            Team	W	L	D	PCT	GB
              LG	135	9	0	0.9375	0.0
         Samsung	118	25	1	0.8252	16.5
             SSG	107	37	0	0.7431	28.0
          Doosan	91	52	1	0.6364	43.5
              KT	43	97	4	0.3071	90.0	See explanation of tie-breakers below.
          Hanwha	43	97	4	0.3071	90.0	See explanation of tie-breakers below.
             KIA	43	97	4	0.3071	90.0	See explanation of tie-breakers below.
          Kiwoom	43	97	4	0.3071	90.0	See explanation of tie-breakers below.
           Lotte	42	98	4	0.3000	91.0
              NC	42	98	4	0.3000	91.0

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	Hanwha	KIA	Kiwoom	KT	Total
Hanwha	-	0	2	0	2
KIA	3	-	3	0	6
Kiwoom	0	0	-	1	1
KT	3	3	2	-	8

The following table shows how many additional games each of the teams tied for fifth place win against each other in the scenario:
Team	Hanwha	KIA	Kiwoom	KT	Total
Hanwha	-	13	0	7	20
KIA	0	-	4	13	17
Kiwoom	14	6	-	0	20
KT	2	0	13	-	15

The following table shows how many games total each of the teams tied for fifth place win against each other in the scenario:
Team	Hanwha	KIA	Kiwoom	KT	Total
Hanwha	-	13	2	7	22
KIA	3	-	7	13	23
Kiwoom	14	6	-	1	21
KT	5	3	15	-	23

The first tiebreaker does not resolve the tie.
The following table shows how many runs each of the teams tied for fifth place as already scored against each other in the scenario:
Team	Hanwha	KIA	Kiwoom	KT	Total
Hanwha	-	13	20	23	56
KIA	21	-	18	11	50
Kiwoom	13	8	-	5	26
KT	36	22	10	-	68

The following table shows how many additional runs each of the teams tied for fifth place scores against each other in the scenario:
Team	Hanwha	KIA	Kiwoom	KT	Total
Hanwha	-	13	0	13	26
KIA	0	-	19	13	32
Kiwoom	14	104	-	0	118
KT	2	0	74	-	76

The following table shows how many runs total each of the teams tied for fifth place scores against each other in the scenario:
Team	Hanwha	KIA	Kiwoom	KT	Total
Hanwha	-	26	20	36	82
KIA	21	-	37	24	82
Kiwoom	27	112	-	5	144
KT	38	22	84	-	144

KT wins the second tie-breaker against KIA


To construct the scenario, we start with the current standings:
            Team	W	L	D	GL	PCT	GB
              KT	18	8	0	118	0.692	0.0
              LG	16	9	0	119	0.640	1.5
             SSG	15	10	0	119	0.600	2.5
         Samsung	13	11	1	119	0.542	4.0
             KIA	12	13	1	118	0.480	5.5
              NC	12	13	0	119	0.480	5.5
          Hanwha	11	14	0	119	0.440	6.5
          Doosan	10	15	1	118	0.400	7.5
          Kiwoom	10	16	0	118	0.385	8.0
           Lotte	8	16	1	119	0.333	9.0

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	-	13	13	14	13	0	13	14	0	1	81
Hanwha	0	-	13	0	7	0	1	11	0	0	32
KIA	0	0	-	4	13	0	13	1	0	0	31
Kiwoom	0	14	6	-	0	0	1	12	0	0	33
KT	0	2	0	13	-	0	10	0	0	0	25
LG	13	13	13	13	13	-	13	14	14	13	119
Lotte	0	13	0	11	4	0	-	6	0	0	34
NC	0	2	11	0	13	0	4	-	0	0	30
Samsung	12	13	14	13	13	0	14	13	-	13	105
SSG	12	13	14	13	13	0	13	14	0	-	92
-----------------------------------------------------------------------------------
Losses	37	83	84	81	89	0	82	85	14	27

					Scenario Additional Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	0	0	0	0	0	0	0	1	0	0
Hanwha	0	-	0	0	4	0	0	0	0	0	4
KIA	0	0	-	3	0	0	1	0	0	0	3
Kiwoom	0	0	3	-	0	0	0	1	0	0	4
KT	0	4	0	0	-	0	0	0	0	0	4
LG	0	0	0	0	0	-	0	0	0	0	0
Lotte	0	0	0	0	0	0	-	3	0	0	3
NC	0	0	0	1	0	0	3	-	0	0	4
Samsung	0	0	0	0	0	0	0	0	-	0	0
SSG	0	0	0	0	0	0	0	0	0	-	0
-----------------------------------------------------------------------------------
Total	0	4	3	4	4	0	3	4	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	-	14	15	15	14	1	15	15	0	2	91
Hanwha	2	-	13	2	7	1	3	12	0	3	43
KIA	1	3	-	7	13	1	15	2	1	0	43
Kiwoom	1	14	6	-	1	1	2	14	3	1	43
KT	2	5	3	15	-	3	11	2	1	1	43
LG	15	15	15	15	13	-	15	16	15	16	135
Lotte	1	13	0	14	5	1	-	6	2	0	42
NC	1	4	14	1	14	0	7	-	0	1	42
Samsung	15	16	15	13	15	1	14	16	-	13	118
SSG	14	13	16	15	15	0	16	15	3	-	107
-----------------------------------------------------------------------------------
Losses	52	97	97	97	97	9	98	98	25	37

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

# KT Wiz magic number
# KT's magic number
# Wiz magic number
# KBO Playoff Race