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

Here are the final standings in the scenario:
            Team	W	L	D	PCT	GB
              NC	134	10	0	0.9306	0.0
         Samsung	119	24	1	0.8322	14.5
             SSG	103	37	4	0.7357	29.0
             KIA	96	45	3	0.6809	36.5
              KT	42	98	4	0.3000	90.0	See explanation of tie-breakers below.
          Doosan	42	98	4	0.3000	90.0	See explanation of tie-breakers below.
          Hanwha	42	98	4	0.3000	90.0	See explanation of tie-breakers below.
          Kiwoom	42	98	4	0.3000	90.0	See explanation of tie-breakers below.
              LG	42	98	4	0.3000	90.0	See explanation of tie-breakers below.
           Lotte	42	98	4	0.3000	90.0	See explanation of tie-breakers below.

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	Hanwha	Kiwoom	KT	LG	Lotte	Total
Doosan	-	2	2	2	2	1	9
Hanwha	1	-	0	3	1	1	6
Kiwoom	1	3	-	1	2	3	10
KT	1	2	2	-	1	0	6
LG	1	1	1	2	-	2	7
Lotte	2	1	0	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	Hanwha	Kiwoom	KT	LG	Lotte	Total
Doosan	-	10	6	0	10	4	30
Hanwha	3	-	13	1	14	0	31
Kiwoom	3	0	-	13	0	13	29
KT	13	9	0	-	11	0	33
LG	3	0	13	0	-	13	29
Lotte	9	11	0	13	0	-	33

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	Hanwha	Kiwoom	KT	LG	Lotte	Total
Doosan	-	12	8	2	12	5	39
Hanwha	4	-	13	4	15	1	37
Kiwoom	4	3	-	14	2	16	39
KT	14	11	2	-	12	0	39
LG	4	1	14	2	-	15	36
Lotte	11	12	0	15	1	-	39

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	Doosan	Hanwha	Kiwoom	KT	LG	Lotte	Total
Doosan	-	12	25	26	15	11	89
Hanwha	10	-	16	32	10	6	74
Kiwoom	17	22	-	10	16	24	89
KT	21	26	12	-	19	17	95
LG	9	12	10	31	-	15	77
Lotte	18	6	10	20	16	-	70

The following table shows how many additional runs each of the teams tied for fifth place scores against each other in the scenario:
Team	Doosan	Hanwha	Kiwoom	KT	LG	Lotte	Total
Doosan	-	10	31	0	10	4	55
Hanwha	42	-	13	1	14	0	70
Kiwoom	3	0	-	13	0	39	55
KT	13	25	0	-	11	0	49
LG	3	0	13	0	-	51	67
Lotte	50	11	0	13	0	-	74

The following table shows how many runs total each of the teams tied for fifth place scores against each other in the scenario:
Team	Doosan	Hanwha	Kiwoom	KT	LG	Lotte	Total
Doosan	-	22	56	26	25	15	144
Hanwha	52	-	29	33	24	6	144
Kiwoom	20	22	-	23	16	63	144
KT	34	51	12	-	30	17	144
LG	12	12	23	31	-	66	144
Lotte	68	17	10	33	16	-	144


KT finished #2 in the standings last year.Doosan finished #5 in the standings last year.
Kiwoom finished #10 in the standings last year.
Lotte finished #7 in the standings last year.

To construct the scenario, we start with the current standings:
            Team	W	L	D	GL	PCT	GB
             KIA	19	7	0	118	0.731	0.0
              NC	16	10	0	118	0.615	3.0
         Samsung	15	11	1	117	0.577	4.0
             SSG	15	11	1	117	0.577	4.0
          Kiwoom	13	12	0	119	0.520	5.5
              LG	13	13	2	116	0.500	6.0
          Doosan	12	16	0	116	0.429	8.0
          Hanwha	11	15	0	118	0.423	8.0
              KT	9	18	1	116	0.333	10.5
           Lotte	7	17	1	119	0.292	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	6	0	10	4	0	0	0	30
Hanwha	3	-	0	13	1	14	0	0	0	0	31
KIA	13	13	-	13	13	13	12	0	0	0	77
Kiwoom	3	0	0	-	13	0	13	0	0	0	29
KT	13	9	0	0	-	11	0	0	0	0	33
LG	3	0	0	13	0	-	13	0	0	0	29
Lotte	9	11	2	0	13	0	-	0	0	0	35
NC	12	14	13	14	13	13	13	-	13	13	118
Samsung	13	13	13	14	14	11	13	0	-	13	104
SSG	13	13	10	13	13	13	13	0	0	-	88
-----------------------------------------------------------------------------------
Losses	82	83	38	86	80	85	81	0	13	26

					Scenario Additional Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	0	0	4	0	0	0	0	0	0	4
Hanwha	0	-	0	0	1	0	3	0	0	0	4
KIA	0	0	-	0	0	0	0	0	0	3	3
Kiwoom	4	0	0	-	0	0	0	0	0	0	4
KT	0	1	0	0	-	2	1	0	0	0	3
LG	0	0	0	0	2	-	0	0	1	1	2
Lotte	0	3	0	0	0	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	-	0	0
SSG	0	0	3	0	0	0	0	0	0	-	3
-----------------------------------------------------------------------------------
Total	4	4	3	4	3	2	3	0	0	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	-	12	1	8	2	12	5	2	0	0	42
Hanwha	4	-	0	13	4	15	1	1	1	3	42
KIA	15	16	-	16	15	16	14	2	1	1	96
Kiwoom	4	3	0	-	14	2	16	0	2	1	42
KT	14	11	1	2	-	12	0	1	0	1	42
LG	4	1	0	14	2	-	15	2	2	2	42
Lotte	11	12	2	0	15	1	-	1	0	0	42
NC	14	15	14	16	15	14	15	-	15	16	134
Samsung	16	15	15	14	16	13	16	1	-	13	119
SSG	16	13	12	15	15	13	16	0	3	-	103
-----------------------------------------------------------------------------------
Losses	98	98	45	98	98	98	98	10	24	37

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

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