Here is scenario in which Lotte makes the postseason with 5 additional wins (64 total).

Here are the final standings in the scenario:
            Team	W	L	D	PCT	GB
             KIA	90	52	2	0.6338	0.0
         Samsung	81	59	4	0.5786	8.0
              LG	78	64	2	0.5493	12.0
              KT	70	72	2	0.4930	20.0
           Lotte	64	74	6	0.4638	24.0
          Doosan	65	76	3	0.4610	24.5
          Hanwha	65	76	3	0.4610	24.5
          Kiwoom	66	78	0	0.4583	25.0
             SSG	64	76	4	0.4571	25.0
              NC	62	78	4	0.4429	27.0

To construct the scenario, we start with the current standings:
            Team	W	L	D	GL	PCT	GB
             KIA	81	50	2	11	0.618	0.0
         Samsung	75	57	2	10	0.568	6.5
              LG	68	62	2	12	0.523	12.5
              KT	67	65	2	10	0.508	14.5
          Doosan	65	66	2	11	0.496	16.0
             SSG	62	68	2	12	0.477	18.5
           Lotte	59	67	4	14	0.468	19.5
          Hanwha	60	69	2	13	0.465	20.0
              NC	58	71	2	13	0.450	22.0
          Kiwoom	56	76	0	12	0.424	25.5

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	0	0	0	0	0	0	0	0
Hanwha	0	-	0	0	0	0	2	3	0	0	5
KIA	1	1	-	0	1	0	2	1	2	1	9
Kiwoom	1	1	2	-	3	1	0	0	0	2	10
KT	1	0	0	0	-	0	0	0	0	2	3
LG	3	1	0	0	0	-	3	2	0	1	10
Lotte	1	3	0	0	1	0	-	0	0	0	5
NC	2	1	0	0	0	0	0	-	0	1	4
Samsung	0	0	0	2	2	1	0	0	-	1	6
SSG	1	0	0	0	0	0	0	1	0	-	2
-----------------------------------------------------------------------------------
Losses	10	7	2	2	7	2	7	7	2	8

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

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	-	6	8	9	11	6	6	10	3	6	65
Hanwha	10	-	4	6	10	7	7	5	6	10	65
KIA	7	12	-	10	9	13	8	12	12	7	90
Kiwoom	7	10	6	-	5	11	8	7	6	6	66
KT	5	6	7	11	-	7	7	10	7	10	70
LG	10	9	3	5	9	-	12	13	6	11	78
Lotte	9	9	7	8	8	4	-	7	6	6	64
NC	6	9	4	9	6	3	7	-	6	12	62
Samsung	12	10	4	10	8	9	10	10	-	8	81
SSG	10	5	9	10	6	4	9	4	7	-	64
-----------------------------------------------------------------------------------
Losses	76	76	52	78	72	64	74	78	59	76

					Scenario Total Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	0	1	0	0	0	1	0	1	0	3
Hanwha	0	-	0	0	0	0	0	2	0	1	3
KIA	0	0	-	0	0	0	1	0	0	0	2
Kiwoom	0	0	0	-	0	0	0	0	0	0	0
KT	0	0	0	0	-	0	1	0	1	0	2
LG	0	0	0	0	0	-	0	0	1	1	2
Lotte	0	0	0	0	0	0	-	2	0	1	6
NC	0	0	0	0	0	0	2	-	0	0	4
Samsung	1	0	0	0	0	0	0	0	-	1	4
SSG	0	1	0	0	0	0	0	0	1	-	4
-----------------------------------------------------------------------------------
Total	3	3	2	0	2	2	6	4	4	4

# Lotte Giants magic number
# Lotte's magic number
# Giants magic number
# KBO Playoff Race