2011 Climax Series: Pacific League — Softbank Hawks advance to Nippon Series
by Gen on Oct.19, 2011 @ 6:00 am, under NPB, Postseason
First Stage
Seibu wins the series, 2-0.
If the series ends in a tie (1-1-1 or 0-0-3), the 2nd place team will advance.
| Date | Time | Gm | Venue | Home | Away | |
| 10/29 | 14:00 | 1 | Sapporo Dome | Nippon Ham Fighters | 2-5 | Seibu Lions |
| 10/30 | 14:00 | 2 | Sapporo Dome | Nippon Ham Fighters | 1-8 | Seibu Lions |
| 10/31 | 18:00 | 3 | Sapporo Dome | Nippon Ham Fighters | Seibu Lions |
See also: 2011 PL CS First Stage: Seibu at Nippon Ham — By The Numbers
Final Stage
Softbank takes the series, 4-0.
Series starts with the 1st place team with a 1-0 series advantage.
| Date | Time | Gm | Venue | Home | Away | |
| 11/3 | 18:00 | 1 | Yahoo Dome | Softbank Hawks | 4-2 | Seibu Lions |
| 11/4 | 18:00 | 2 | Yahoo Dome | Softbank Hawks | 7-2 | Seibu Lions |
| 11/5 | 13:00 | 3 | Yahoo Dome | Softbank Hawks | 2-1 | Seibu Lions |
| 11/6 | 13:00 | 4 | Yahoo Dome | Softbank Hawks | Seibu Lions | |
| 11/7 | 18:00 | 5 | Yahoo Dome | Softbank Hawks | Seibu Lions | |
| 11/8 | 18:00 | 6 | Yahoo Dome | Softbank Hawks | Seibu Lions |
See also: 2011 PL CS Final Stage: Seibu at Softbank — By The Numbers