Here is scenario in which Doosan finishes in first place with 50 additional wins (70 total).

Here are the final standings in the scenario:
            Team	W	L	D	PCT	GB
          Doosan	70	69	5	0.5036	0.0	See explanation of tie-breakers below.
           Lotte	70	69	5	0.5036	0.0	See explanation of tie-breakers below.
             KIA	71	70	3	0.5035	0.0
          Kiwoom	71	70	3	0.5035	0.0
              LG	72	71	1	0.5035	0.0
         Samsung	72	71	1	0.5035	0.0
              NC	71	71	2	0.5000	0.5
             SSG	70	70	4	0.5000	0.5
              KT	69	70	5	0.4964	1.0
          Hanwha	69	74	1	0.4825	3.0

Explanation of Tie-breakers:
Doosan and Lotte tie for first place and play a post-season game; the winner is awarded first place in the final standings and the loser is awarded second place.

To construct the scenario, we start with the current standings:
            Team	W	L	D	GL	PCT	GB
              LG	32	17	1	94	0.653	0.0
          Hanwha	30	20	0	94	0.600	2.5
           Lotte	29	20	3	92	0.592	3.0
             KIA	24	24	0	96	0.500	7.5
              KT	24	24	3	93	0.500	7.5
              NC	22	22	2	98	0.500	7.5
             SSG	24	24	1	95	0.500	7.5
         Samsung	24	26	1	93	0.480	8.5
          Doosan	20	27	3	94	0.426	11.0
          Kiwoom	14	39	0	91	0.264	20.0

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	-	10	7	0	1	10	10	12	0	0	50
Hanwha	0	-	0	2	4	11	7	6	7	2	39
KIA	3	11	-	0	10	4	0	12	3	4	47
Kiwoom	11	7	10	-	4	3	4	0	8	10	57
KT	7	7	0	5	-	7	0	0	11	8	45
LG	0	0	7	7	4	-	11	7	4	0	40
Lotte	0	4	10	4	10	0	-	0	3	10	41
NC	0	4	0	10	10	4	10	-	3	8	49
Samsung	10	3	8	3	0	6	7	7	-	4	48
SSG	11	8	4	0	3	9	0	5	6	-	46
-----------------------------------------------------------------------------------
Losses	42	54	46	31	46	54	49	49	45	46

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

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	-	14	8	4	2	13	13	12	3	1	70
Hanwha	2	-	4	7	7	13	9	10	11	6	69
KIA	8	12	-	3	13	6	4	14	5	6	71
Kiwoom	12	8	13	-	6	4	4	2	8	14	71
KT	11	9	3	10	-	10	1	2	14	9	69
LG	3	3	10	12	6	-	14	10	9	5	72
Lotte	3	7	12	10	13	1	-	3	8	13	70
NC	2	6	2	14	14	6	13	-	5	9	71
Samsung	13	5	11	8	2	7	8	11	-	7	72
SSG	15	10	7	2	7	11	3	7	8	-	70
-----------------------------------------------------------------------------------
Losses	69	74	70	70	70	71	69	71	71	70

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