Here is scenario in which Hanwha wins 39 additional games (88 total) but does not reach the postseason.

Here are the final standings in the scenario:
            Team	W	L	D	PCT	GB
              LG	88	52	4	0.6286	0.0
             KIA	87	52	5	0.6259	0.5
           Lotte	87	52	5	0.6259	0.5
             SSG	87	52	5	0.6259	0.5
         Samsung	89	54	1	0.6224	0.5
          Hanwha	88	54	2	0.6197	1.0
              KT	56	85	3	0.3972	32.5
              NC	51	88	5	0.3669	36.5
          Doosan	40	101	3	0.2837	48.5
          Kiwoom	29	112	3	0.2057	59.5

To construct the scenario, we start with the current standings:
            Team	W	L	D	GL	PCT	GB
          Hanwha	49	33	2	60	0.598	0.0
              LG	46	37	2	59	0.554	3.5
           Lotte	46	37	3	58	0.554	3.5
             KIA	45	37	3	59	0.549	4.0
             SSG	42	39	3	60	0.519	6.5
              KT	43	40	3	58	0.518	6.5
         Samsung	43	41	1	59	0.512	7.0
              NC	37	40	5	62	0.481	9.5
          Doosan	34	48	3	59	0.415	15.0
          Kiwoom	26	59	3	56	0.306	24.5

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	6	0	0	0	0	0	0	6
Hanwha	7	-	0	6	8	6	6	4	0	2	39
KIA	7	8	-	4	4	7	0	9	3	0	42
Kiwoom	0	0	0	-	3	0	0	0	0	0	3
KT	4	0	0	1	-	0	0	8	0	0	13
LG	8	0	1	7	9	-	8	5	4	0	42
Lotte	7	0	5	7	4	0	-	8	5	5	41
NC	7	0	0	7	0	0	0	-	0	0	14
Samsung	4	8	3	8	9	0	1	7	-	6	46
SSG	9	5	6	7	8	2	0	7	1	-	45
-----------------------------------------------------------------------------------
Losses	53	21	15	53	45	15	15	48	13	13

					Scenario Additional Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	0	0	0	1	0	0	2	0	0	0
Hanwha	0	-	0	0	0	1	0	1	0	0	0
KIA	0	0	-	2	0	0	2	0	0	1	2
Kiwoom	0	0	0	-	0	0	0	1	0	0	0
KT	0	0	0	0	-	0	2	0	0	0	0
LG	0	0	0	0	0	-	1	0	0	2	2
Lotte	0	0	2	0	0	0	-	0	0	0	2
NC	0	0	0	0	0	0	0	-	0	1	0
Samsung	0	0	0	0	0	0	0	0	-	1	0
SSG	0	0	0	0	0	2	0	0	0	-	2
-----------------------------------------------------------------------------------
Total	0	0	2	0	0	2	2	0	0	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	-	4	2	13	4	4	4	2	5	2	40
Hanwha	12	-	5	15	13	10	10	11	5	7	88
KIA	14	11	-	10	11	11	6	13	6	5	87
Kiwoom	3	1	4	-	6	3	2	2	3	5	29
KT	11	3	5	10	-	4	4	11	5	3	56
LG	12	5	5	13	12	-	12	11	10	8	88
Lotte	12	6	8	14	10	3	-	12	12	10	87
NC	12	4	3	13	5	5	4	-	3	2	51
Samsung	11	11	10	13	11	6	4	13	-	10	89
SSG	14	9	10	11	13	6	6	13	5	-	87
-----------------------------------------------------------------------------------
Losses	101	54	52	112	85	52	52	88	54	52

					Scenario Total Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	0	0	0	1	0	0	2	0	0	3
Hanwha	0	-	0	0	0	1	0	1	0	0	2
KIA	0	0	-	2	0	0	2	0	0	1	5
Kiwoom	0	0	0	-	0	0	0	1	0	0	3
KT	0	0	0	0	-	0	2	0	0	0	3
LG	0	0	0	0	0	-	1	0	0	2	4
Lotte	0	0	2	0	0	0	-	0	0	0	5
NC	0	0	0	0	0	0	0	-	0	1	5
Samsung	0	0	0	0	0	0	0	0	-	1	1
SSG	0	0	0	0	0	2	0	0	0	-	5
-----------------------------------------------------------------------------------
Total	3	2	5	3	3	4	5	5	1	5