Here is scenario in which Hanwha makes the postseason with 0 additional wins (76 total).

Here are the final standings in the scenario:
            Team	W	L	D	PCT	GB
              LG	82	57	5	0.5899	0.0
          Hanwha	76	63	5	0.5468	6.0
              KT	74	64	6	0.5362	7.5
             KIA	73	65	6	0.5290	8.5
           Lotte	69	67	8	0.5074	11.5
         Samsung	69	71	4	0.4929	13.5
          Doosan	67	69	8	0.4926	13.5
             SSG	67	71	6	0.4855	14.5
              NC	65	71	8	0.4779	15.5
          Kiwoom	48	92	4	0.3429	34.5

To construct the scenario, we start with the current standings:
            Team	W	L	D	GL	PCT	GB
              LG	79	49	3	13	0.617	0.0
          Hanwha	76	52	3	13	0.594	3.0
             SSG	65	60	4	15	0.520	12.5
              KT	65	62	4	13	0.512	13.5
         Samsung	65	64	2	13	0.504	14.5
           Lotte	63	64	6	11	0.496	15.5
              NC	60	62	6	16	0.492	16.0
             KIA	61	64	4	15	0.488	16.5
          Doosan	56	69	6	13	0.448	21.5
          Kiwoom	42	86	4	12	0.328	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	-	0	0	3	0	0	1	2	1	4	11
Hanwha	0	-	0	0	0	0	0	0	0	0	0
KIA	0	3	-	1	1	1	0	4	0	2	12
Kiwoom	0	2	0	-	1	0	1	1	0	1	6
KT	0	2	0	0	-	4	0	1	2	0	9
LG	0	2	0	0	0	-	0	0	1	0	3
Lotte	0	1	1	0	0	1	-	0	3	0	6
NC	0	0	0	0	0	2	0	-	0	3	5
Samsung	0	0	0	2	0	0	0	1	-	1	4
SSG	0	1	0	0	0	0	1	0	0	-	2
-----------------------------------------------------------------------------------
Losses	0	11	1	6	2	8	3	9	7	11

					Scenario Additional Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	2	0	0	0	1	1	2	0	0	2
Hanwha	1	-	0	0	0	2	0	0	0	0	2
KIA	0	0	-	2	0	0	0	0	2	1	2
Kiwoom	0	0	0	-	0	0	0	1	0	1	0
KT	0	0	0	0	-	0	0	1	0	2	2
LG	1	1	0	0	0	-	2	0	0	0	2
Lotte	0	0	0	0	0	0	-	2	1	0	2
NC	0	0	0	0	0	0	2	-	0	1	2
Samsung	0	0	2	0	0	0	0	0	-	1	2
SSG	0	0	0	0	2	0	0	0	0	-	2
-----------------------------------------------------------------------------------
Total	2	2	2	0	2	2	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	-	8	6	12	4	6	8	7	7	9	67
Hanwha	6	-	9	13	9	5	9	9	8	8	76
KIA	9	7	-	8	9	6	8	10	7	9	73
Kiwoom	4	3	6	-	6	7	5	6	4	7	48
KT	11	7	7	10	-	8	6	7	12	6	74
LG	9	9	10	9	8	-	9	8	10	10	82
Lotte	7	7	8	11	8	5	-	7	10	6	69
NC	7	6	6	9	8	8	7	-	7	7	65
Samsung	9	8	7	12	4	6	5	9	-	9	69
SSG	7	8	6	8	8	6	10	8	6	-	67
-----------------------------------------------------------------------------------
Losses	69	63	65	92	64	57	67	71	71	71

					Scenario Total Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	2	1	0	1	1	1	2	0	0	8
Hanwha	1	-	0	0	0	2	0	1	0	0	5
KIA	0	0	-	2	0	0	0	0	2	1	6
Kiwoom	0	0	0	-	0	0	0	1	0	1	4
KT	0	0	0	0	-	0	2	1	0	2	6
LG	1	1	0	0	0	-	2	0	0	0	5
Lotte	0	0	0	0	0	0	-	2	1	0	8
NC	0	0	0	0	0	0	2	-	0	1	8
Samsung	0	0	2	0	0	0	0	0	-	1	4
SSG	0	0	0	0	2	0	0	0	0	-	6
-----------------------------------------------------------------------------------
Total	8	5	6	4	6	5	8	8	4	6

# Hanwha Eagles magic number
# Hanwha's magic number
# Eagles magic number
# KBO Playoff Race