View source for 2005 Pacific League Playoffs

{{primary source|date=January 2023}}
{{Infobox Climax Series
  | playoffs = yes
  | year = 2005
  | pacificplayoffsleft = yes
  | pacificplayoffsright = yes
  | secondstage= yes
  | centralplayoffs = no
  | stage1champion = [[Chiba Lotte Marines]]&nbsp;(2)
  | stage1champion_manager = [[Bobby Valentine]]
  | stage1champion_games = 84–49–3 (.632), 4.5&nbsp;GB
  | stage1runnerup = [[Seibu Lions]]&nbsp;(0)
  | stage1runnerup_manager = [[Tsutomu Ito]]
  | stage1runnerup_games = 67–69 (.493), 23&nbsp;GB
  | date1 = October 8–9
  | television1 = 
  | announcers1 = 
  | radio1 = 
  | radio_announcers1 = 
  | umpires1 = 
  | stage2champion = Chiba Lotte Marines&nbsp;(3)
  | stage2champion_manager = Bobby Valentine
  | stage2champion_games = 84–49–3 (.632), 4.5&nbsp;GB
  | stage2runnerup = [[Fukuoka SoftBank Hawks]]&nbsp;(2)
  | stage2runnerup_manager = [[Sadaharu Oh]]
  | stage2runnerup_games = 89–45–2 (.664), 4.5&nbsp;GA
  | date2 = October 12–17
  | MVP =
  | television2 = 
  | announcers2 = 
  | radio2 = 
  | radio_announcers2 = 
  | umpires2 =
  | previous_series = 2004 Pacific League Playoffs
  | previous_year = 2004
  | next_series = 2006 Pacific League Playoffs
  | next_year = 2006
}}

==First stage==

===Summary===
{{MLB Playoff Summary
| summary = 
| winner = Chiba Lotte Marines
| leader = 
| score = 2–0
| date1 = October 8
| score1 = Seibu Lions – 1, '''Chiba Lotte Marines''' – 2
| loc1 = [[Chiba Marine Stadium]]
| time1 = 3:33
| att1 = 28,979
| ref1 = <ref>{{cite web |url=http://npb.jp/bis/2005/games/s2005100801629.html |title=2005年10月8日 (土) |work=[[Nippon Professional Baseball]] |accessdate=March 5, 2020 |lang=Japanese}}</ref>
| date2 = October 9
| score2 = Seibu Lions – 1, '''Chiba Lotte Marines''' – 3
| loc2 = Chiba Marine Stadium
| time2 = 2:52
| att2 = 28,996
| ref2 = <ref>{{cite web |url=http://npb.jp/bis/2005/games/s2005100901632.html |title=2005年10月9日 (日) |work=[[Nippon Professional Baseball]] |accessdate=March 5, 2020 |lang=Japanese}}</ref>
}}

===Game 1===
{{linescore
| Date = Saturday, October 8, 2005,
| Time = 2:00&nbsp;pm ([[Japan Standard Time|JST]])
| Location = [[Chiba Marine Stadium]] in [[Chiba (city)|Chiba]], [[Chiba Prefecture]]
| Other = 
| Road = Seibu| RoadAbr = SEI
| R1 = 1 | R2 = 0 | R3 = 0 | R4 = 0 | R5 = 0 | R6 = 0 | R7 = 0 | R8 = 0 | R9 = 0 | RR = 1 | RH = 8 | RE = 1
| Home = '''Lotte'''| HomeAbr = LOT
| H1 = 0 | H2 = 0 | H3 = 0 | H4 = 0 | H5 = 1 | H6 = 0 | H7 = 0 | H8 = 1 | H9 = X | HR = 2 | HH = 8 | HE = 0
| WP = [[Yasuhiko Yabuta]] (1–0)| LP = [[Koji Mitsui]] (0–1) | SV = [[Masahide Kobayashi]] (1)
| RoadHR = [[Takumi Kuriyama]] (1)
| Attendance = 28,979
| Notes = 
}}

===Game 2===
{{linescore
| Date = Sunday, October 9, 2005,
| Time = 2:00&nbsp;pm (JST)
| Location = Chiba Marine Stadium in Chiba, Chiba Prefecture
| Other = 
| Road = Seibu| RoadAbr = SEI
| R1 = 0 | R2 = 0 | R3 = 0 | R4 = 0 | R5 = 0 | R6 = 0 | R7 = 0 | R8 = 1 | R9 = 0 | RR = 1 | RH = 4 | RE = 0
| Home = '''Lotte'''| HomeAbr = LOT
| H1 = 1 | H2 = 0 | H3 = 0 | H4 = 0 | H5 = 0 | H6 = 2 | H7 = 0 | H8 = 0 | H9 = X | HR = 3 | HH = 9 | HE = 0
| WP = [[Hiroyuki Kobayashi (baseball)|Hiroyuki Kobayashi]] (1–0)| LP = [[Fumiya Nishiguchi]] (0–1) | SV = [[Masahide Kobayashi]] (2)
| RoadHR = [[Takeya Nakamura]] (1)
| Attendance = 28,996
| Notes = 
}}

==Second stage==

===Summary===
{{MLB Playoff Summary
| summary = 
| winner = Chiba Lotte Marines
| leader = 
| score = 3–2
| date1 = October 12
| score1 = '''Chiba Lotte Marines''' – 4, Fukuoka SoftBank Hawks – 2
| loc1 = [[Fukuoka Yahoo! Japan Dome]]
| time1 = 3:28
| att1 = 31,848
| ref1 = <ref>{{cite web |url=http://npb.jp/bis/2005/games/s2005101201636.html |title=2005年10月12日 (水) |work=[[Nippon Professional Baseball]] |accessdate=March 5, 2020 |lang=Japanese}}</ref>
| date2 = October 13
| score2 = '''Chiba Lotte Marines''' – 3, Fukuoka SoftBank Hawks – 2
| loc2 = Fukuoka Yahoo! Japan Dome
| time2 = 2:54
| att2 = 31,696
| ref2 = <ref>{{cite web |url=http://npb.jp/bis/2005/games/s2005101301637.html |title=2005年10月13日 (木) |work=[[Nippon Professional Baseball]] |accessdate=March 5, 2020 |lang=Japanese}}</ref>
| date3 = October 15
| score3 = Chiba Lotte Marines – 4, '''Fukuoka SoftBank Hawks''' – 5 <small>(10)</small>
| loc3 = Fukuoka Yahoo! Japan Dome
| time3 = 3:48
| att3 = 34,757
| ref3 = <ref>{{cite web |url=http://npb.jp/bis/2005/games/s2005101501639.html |title=2005年10月15日 (土) |work=[[Nippon Professional Baseball]] |accessdate=March 5, 2020 |lang=Japanese}}</ref>
| date4 = October 16
| score4 = Chiba Lotte Marines – 2, '''Fukuoka SoftBank Hawks''' – 3
| loc4 = Fukuoka Yahoo! Japan Dome
| time4 = 3:06
| att4 = 34,772
| ref4 = <ref>{{cite web |url=http://npb.jp/bis/2005/games/s2005101601640.html |title=2005年10月16日 (日) |work=[[Nippon Professional Baseball]] |accessdate=March 5, 2020 |lang=Japanese}}</ref>
| date5 = October 17
| score5 = '''Chiba Lotte Marines''' – 3, Fukuoka SoftBank Hawks – 2
| loc5 = Fukuoka Yahoo! Japan Dome
| time5 = 3:46
| att5 = 35,071
| ref5 = <ref>{{cite web |url=http://npb.jp/bis/2005/games/s2005101701641.html |title=2005年10月17日 (月) |work=[[Nippon Professional Baseball]] |accessdate=March 5, 2020 |lang=Japanese}}</ref>
}}

===Game 1===
{{linescore
| Date = Wednesday, October 12, 2005,
| Time =  6:00&nbsp;pm ([[Japan Standard Time|JST]])
| Location = [[Fukuoka Yahoo! Japan Dome]] in [[Fukuoka]], [[Fukuoka Prefecture]]
| Other = 
| Road = '''Lotte'''| RoadAbr = LOT
| R1 = 0 | R2 = 0 | R3 = 0 | R4 = 1 | R5 = 0 | R6 = 0 | R7 = 1 | R8 = 2 | R9 = 0 | RR = 4 | RH = 11 | RE = 0
| Home = SoftBank| HomeAbr = SOF
| H1 = 0 | H2 = 1 | H3 = 0 | H4 = 0 | H5 = 0 | H6 = 0 | H7 = 1 | H8 = 0 | H9 = 0 | HR = 2 | HH = 7 | HE = 0
| WP = [[Soichi Fujita]] (1–0)| LP = [[Toshiya Sugiuchi]] (0–1) | SV = [[Masahide Kobayashi]] (1)
| RoadHR = [[Tomoya Satozaki]] (1)
| HomeHR = [[Jolbert Cabrera]] (1)
| Attendance = 31,848
| Notes = 
}}

===Game 2===
{{linescore
| Date = Thursday, October 13, 2005,
| Time = 6:00&nbsp;pm (JST)
| Location = Fukuoka Yahoo! Japan Dome in Fukuoka, Fukuoka Prefecture
| Other = 
| Road = '''Lotte'''| RoadAbr = LOT
| R1 = 0 | R2 = 0 | R3 = 0 | R4 = 0 | R5 = 0 | R6 = 3 | R7 = 0 | R8 = 0 | R9 = 0 | RR = 3 | RH = 6 | RE = 0
| Home = SoftBank| HomeAbr = SOF
| H1 = 0 | H2 = 0 | H3 = 0 | H4 = 0 | H5 = 1 | H6 = 1 | H7 = 0 | H8 = 0 | H9 = 0 | HR = 2 | HH = 4 | HE = 0
| WP = [[Naoyuki Shimizu]] (1–0)| LP = [[Kazumi Saito]] (0–1) | SV = [[Masahide Kobayashi]] (2)
| HomeHR = [[Munenori Kawasaki]] (1), [[Jolbert Cabrera]] (2)
| Attendance = 31,696
| Notes = 
}}

===Game 3===
{{linescore
| Date = Saturday, October 15, 2005,
| Time = 6:00&nbsp;pm (JST)
| Location = Fukuoka Yahoo! Japan Dome in Fukuoka, Fukuoka Prefecture
| Other = 
| Road = Lotte| RoadAbr = LOT
| R1 = 0 | R2 = 0 | R3 = 2 | R4 = 0 | R5 = 0 | R6 = 0 | R7 = 0 | R8 = 2 | R9 = 0 | R10 = 0 | RR = 4 | RH = 9 | RE = 1
| Home = '''SoftBank'''| HomeAbr = SOF
| H1 = 0 | H2 = 0 | H3 = 0 | H4 = 0 | H5 = 0 | H6 = 0 | H7 = 0 | H8 = 0 | H9 = 4 | H10 = 1X | HR = 5 | HH = 15 | HE = 0
| WP = [[Takahiro Mahara]] (1–0)| LP = [[Shingo Ono]] (0–1)
| Attendance = 34,757
| Notes = 
}}

===Game 4===
{{linescore
| Date = Sunday, October 16, 2005,
| Time = 6:00&nbsp;pm (JST)
| Location = Fukuoka Yahoo! Japan Dome in Fukuoka, Fukuoka Prefecture
| Other = 
| Road = Lotte| RoadAbr = LOT
| R1 = 1 | R2 = 0 | R3 = 0 | R4 = 1 | R5 = 0 | R6 = 0 | R7 = 0 | R8 = 0 | R9 = 0 | RR = 2 | RH = 5 | RE = 0
| Home = '''SoftBank'''| HomeAbr = SOF
| H1 = 0 | H2 = 1 | H3 = 0 | H4 = 2 | H5 = 0 | H6 = 0 | H7 = 0 | H8 = 0 | H9 = X | HR = 3 | HH = 5 | HE = 0
| WP = [[Shintaro Yoshitake]] (1–0)| LP = [[Hiroyuki Kobayashi (baseball)|Hiroyuki Kobayashi]] (0–1) | SV = [[Takahiro Mahara]] (1)
| RoadHR = [[Tomoya Satozaki]] (2)
| HomeHR = [[Julio Zuleta]] 2 (2)
| Attendance = 34,772
| Notes = 
}}

===Game 5===
{{linescore
| Date = Monday, October 17, 2005,
| Time = 6:00&nbsp;pm (JST)
| Location = Fukuoka Yahoo! Japan Dome in Fukuoka, Fukuoka Prefecture
| Other = 
| Road = '''Lotte'''| RoadAbr = LOT
| R1 = 0 | R2 = 0 | R3 = 0 | R4 = 0 | R5 = 0 | R6 = 1 | R7 = 0 | R8 = 2 | R9 = 0 | RR = 3 | RH = 12 | RE = 1
| Home = SoftBank| HomeAbr = SOF
| H1 = 0 | H2 = 1 | H3 = 1 | H4 = 0 | H5 = 0 | H6 = 0 | H7 = 0 | H8 = 0 | H9 = 0 | HR = 2 | HH = 5 | HE = 0
| WP = [[Soichi Fujita]] (2–0)| LP = [[Koji Mise]] (0–1) | SV = [[Masahide Kobayashi]] (3)
| Attendance = 35,071
| Notes = 
}}

==References==
{{reflist}}

{{PLCS}}
{{Fukuoka SoftBank Hawks}}
{{Saitama Seibu Lions}}
{{Chiba Lotte Marines}}

[[Category:Pacific League Playoffs]]
[[Category:2005 Nippon Professional Baseball season|Pacific League Playoffs]]
[[Category:Chiba Lotte Marines postseason]]
[[Category:Fukuoka SoftBank Hawks postseason]]
[[Category:Saitama Seibu Lions postseason]]