Here is scenario in which KT makes the postseason with 16 additional wins (48 total).

Here are the final standings in the scenario:
            Team	W	L	D	PCT	GB
          Hanwha	119	25	0	0.8264	0.0
             KIA	108	35	1	0.7552	10.5
              LG	106	38	0	0.7361	13.0
         Samsung	91	52	1	0.6364	27.5
              KT	48	92	4	0.3429	69.0
           Lotte	49	94	1	0.3427	69.5
             SSG	49	94	1	0.3427	69.5
          Doosan	47	93	4	0.3357	70.0
          Kiwoom	48	95	1	0.3357	70.5
              NC	48	95	1	0.3357	70.5

To construct the scenario, we start with the current standings:
            Team	W	L	D	GL	PCT	GB
              LG	33	20	0	91	0.623	0.0
              KT	32	20	1	91	0.615	0.5
         Samsung	31	20	1	92	0.608	1.0
             KIA	28	25	1	90	0.528	5.0
          Hanwha	27	25	0	92	0.519	5.5
          Doosan	25	28	1	90	0.472	8.0
              NC	22	29	1	92	0.431	10.0
             SSG	22	30	1	91	0.423	10.5
           Lotte	21	30	1	92	0.412	11.0
          Kiwoom	20	34	1	89	0.370	13.5

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	8	2	0	10	1	0	1	22
Hanwha	10	-	10	11	10	10	12	11	10	8	92
KIA	10	0	-	10	10	8	10	10	11	11	80
Kiwoom	3	0	0	-	7	0	0	8	0	10	28
KT	5	0	0	0	-	0	11	0	0	0	16
LG	10	0	0	10	11	-	10	11	11	10	73
Lotte	0	0	0	10	1	0	-	7	0	10	28
NC	11	0	0	2	10	0	0	-	0	3	26
Samsung	7	0	0	10	11	0	11	10	-	11	60
SSG	9	0	0	0	10	0	0	8	0	-	27
-----------------------------------------------------------------------------------
Losses	65	0	10	61	72	18	64	66	32	64

					Scenario Additional Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	0	0	0	3	0	0	0	1	0	3
Hanwha	0	-	0	0	0	0	0	0	0	0	0
KIA	0	0	-	0	0	0	1	0	0	0	0
Kiwoom	0	0	0	-	1	0	0	0	0	0	0
KT	3	0	0	0	-	0	0	0	0	0	3
LG	0	0	0	0	0	-	0	0	0	0	0
Lotte	0	0	0	0	0	0	-	0	0	0	0
NC	0	0	0	0	0	0	0	-	0	1	0
Samsung	0	0	0	0	0	0	0	0	-	0	0
SSG	0	0	0	0	0	0	0	0	0	-	0
-----------------------------------------------------------------------------------
Total	3	0	0	0	3	0	0	0	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	-	1	3	11	4	2	14	4	4	4	47
Hanwha	15	-	12	15	12	13	14	13	11	14	119
KIA	13	4	-	16	11	10	14	12	14	14	108
Kiwoom	5	1	0	-	9	2	2	12	3	14	48
KT	9	4	5	6	-	4	13	4	1	2	48
LG	14	3	6	14	12	-	14	15	13	15	106
Lotte	2	2	1	14	3	2	-	9	3	13	49
NC	12	3	4	4	12	1	7	-	0	5	48
Samsung	11	5	2	13	15	3	13	16	-	13	91
SSG	12	2	2	2	14	1	3	10	3	-	49
-----------------------------------------------------------------------------------
Losses	93	25	35	95	92	38	94	95	52	94

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

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