Here is scenario in which Lotte wins 10 additional games (73 total) but does not reach the postseason.

Here are the final standings in the scenario:
            Team	W	L	D	PCT	GB
          Hanwha	82	58	4	0.5857	0.0
              LG	81	60	3	0.5745	1.5
              NC	74	64	6	0.5362	7.0
              KT	75	65	4	0.5357	7.0
             SSG	75	65	4	0.5357	7.0
           Lotte	73	64	7	0.5328	7.5
         Samsung	68	72	4	0.4857	14.0
          Doosan	62	76	6	0.4493	19.0
             KIA	62	76	6	0.4493	19.0
          Kiwoom	43	95	6	0.3116	38.0

To construct the scenario, we start with the current standings:
            Team	W	L	D	GL	PCT	GB
              LG	80	49	3	12	0.620	0.0
          Hanwha	76	53	3	12	0.589	4.0
             SSG	65	60	4	15	0.520	13.0
              KT	65	63	4	12	0.508	14.5
         Samsung	66	64	2	12	0.508	14.5
           Lotte	63	64	6	11	0.496	16.0
              NC	61	62	6	15	0.496	16.0
             KIA	61	65	4	14	0.484	17.5
          Doosan	56	70	6	12	0.444	22.5
          Kiwoom	43	86	4	11	0.333	37.0

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	-	1	0	3	0	1	0	0	1	0	6
Hanwha	0	-	3	0	0	3	0	0	0	0	6
KIA	0	0	-	0	0	0	0	0	1	0	1
Kiwoom	0	0	0	-	0	0	0	0	0	0	0
KT	0	2	1	1	-	4	0	0	1	1	10
LG	0	0	0	0	0	-	0	0	1	0	1
Lotte	1	1	1	1	0	1	-	2	2	1	10
NC	1	0	4	1	1	2	0	-	1	3	13
Samsung	0	0	0	2	0	0	0	0	-	0	2
SSG	4	1	2	1	1	0	0	0	1	-	10
-----------------------------------------------------------------------------------
Losses	6	5	11	9	2	11	0	2	8	5

					Scenario Additional Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	1	0	0	0	0	1	2	0	0	0
Hanwha	0	-	0	1	0	1	0	0	0	0	1
KIA	0	0	-	3	0	0	0	0	1	1	2
Kiwoom	0	1	1	-	0	0	0	1	0	1	2
KT	0	0	0	0	-	0	0	1	0	0	0
LG	0	0	0	0	0	-	2	0	0	0	0
Lotte	0	0	0	0	0	0	-	0	2	0	1
NC	0	0	0	0	0	0	0	-	0	1	0
Samsung	0	0	1	0	0	0	1	0	-	1	2
SSG	0	0	0	0	0	0	0	0	0	-	0
-----------------------------------------------------------------------------------
Total	0	1	2	2	0	0	1	0	2	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	-	9	6	12	4	7	7	5	7	5	62
Hanwha	6	-	12	13	9	8	9	9	8	8	82
KIA	9	4	-	7	8	5	8	6	8	7	62
Kiwoom	4	2	6	-	5	7	4	5	4	6	43
KT	11	7	8	11	-	8	6	6	11	7	75
LG	9	7	11	9	8	-	9	8	10	10	81
Lotte	8	7	8	12	8	5	-	9	9	7	73
NC	9	6	10	10	9	8	7	-	8	7	74
Samsung	9	8	7	12	5	6	5	8	-	8	68
SSG	11	8	8	9	9	6	9	8	7	-	75
-----------------------------------------------------------------------------------
Losses	76	58	76	95	65	60	64	64	72	65

					Scenario Total Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	1	1	0	1	0	1	2	0	0	6
Hanwha	0	-	0	1	0	1	0	1	0	0	4
KIA	0	0	-	3	0	0	0	0	1	1	6
Kiwoom	0	1	1	-	0	0	0	1	0	1	6
KT	0	0	0	0	-	0	2	1	0	0	4
LG	0	0	0	0	0	-	2	0	0	0	3
Lotte	0	0	0	0	0	0	-	0	2	0	7
NC	0	0	0	0	0	0	0	-	0	1	6
Samsung	0	0	1	0	0	0	1	0	-	1	4
SSG	0	0	0	0	0	0	0	0	0	-	4
-----------------------------------------------------------------------------------
Total	6	4	6	6	4	3	7	6	4	4