| St. Louis Cardinals (88-74) vs. Washington Nationals (98-64) |
| Game One |
Washington 3, St. Louis 2 |
| Game Two |
St. Louis 12, Washington 4 |
| Game Three |
St. Louis 8, Washington 0 |
| Game Four |
Thursday, October 11th - St. Louis at Washington, 4:07 p.m. |
| *Game Five |
Friday, October 12th - St. Louis at Washington, 8:37 p.m. |
| Records |
| 2012 Head-to-Head Record |
Washington 4-3 (1-2 at StL; 3-1 at Was) |
| 2011 Head-to-Head Record |
Washington 4-2 (1-2 at StL; 3-0 at Was) |
| 2010 Head-to-Head Record |
Tied 3-3 (StL 2-0 at Home; 1-3 at Was) |
| 2009 Head-to-Head Record |
St. Louis 6-1 (3-0 at StL; 3-1 at Was) |
| Home Record |
St. Louis 50-31; Washington 50-31 |
| Away Record |
St. Louis 38-43; Washington 48-33 |
| Current Streak |
St. Louis (W1); Washington (W2) |
| Record vs. Eastern Division |
St. Louis 14-20 |
| Record vs. Central Division |
Washington 29-13 |
| 2012 Meetings |
| 8/30 - Washington, 8-1 (at Was - WP: Jackson; LP: J.Garcia) |
| 8/31 - Washington, 10-0 (at Was - WP: G.Gonzalez; LP: Wainwright) |
| 9/01 - St. Louis, 10-9 (at Was - WP: Boggs; LP: Storen) |
| 9/02 - Washington, 4-3 (at Was - WP: Mattheus; LP: Lynn) |
| 9/28 - St. Louis, 12-2 (at StL - WP: Wainwright; LP: Jackson) |
| 9/29 - Washington, 6-4 (10) (at StL - WP: Storen; LP: Freeman) |
| 9/30 - St. Louis, 10-4 (at StL - WP: Lynn; LP: Detwiler) |
| 2011 Meetings |
| 4/19 - Postponed at St. Louis (Made-up April 20th) |
| 4/20 - Washington, 8-6 (at StL - WP: Lannan; LP: Westbrook) |
| 4/20 - St. Louis, 5-3 (at StL - WP: J.Garcia; LP: Zimmermann) |
| 4/21 - St. Louis, 5-0 (at StL - WP: Lohse; LP: Gorzelanny) |
| 6/14 - Washington, 8-6 (at Was - WP: H.Rodriguez; LP: Batista) |
| 6/15 - Washington, 10-0 (at Was - WP: L.Hernandez; LP: McClellan) |
| 6/16 - Washington, 7-4 (10) (at Was - WP: S.Burnett; LP: Salas) |
| 2010 Meetings |
| 5/17 - St. Louis, 6-2 (at StL - WP: Lohse; LP: Stammen) |
| 5/18 - St. Louis, 3-2 (at StL - WP: C.Carpenter; LP: Clippard) |
| 8/26 - Washington, 11-10 (13) (at Was - WP: Slaten; LP: Hawksworth) |
| 8/27 - St. Louis, 4-2 (at Was - WP: Ja.Garcia; LP: Olsen) |
| 8/28 - Washington, 14-5 (at Was - WP: L.Hernandez; LP: Lohse) |
| 8/29 - Washington, 4-2 (at Was - WP: Lannan; LP: Wainwright) |
| 2009 Meetings |
| 4/30 - St. Louis, 9-4 (at Was - WP: C.Perez; LP: Tavarez) |
| 5/01 - St. Louis, 6-2 (at Was - WP: Wellemeyer; LP: Zimmermann) |
| 5/02 - Washington, 6-1 (at Was - WP: Martis; LP: Pineiro) |
| 5/03 - Postponed at Washington (Made-up July 23rd) |
| 7/23 - St. Louis, 4-1 (6 1/3) (at Was - WP: Wainwright; LP: Balester) |
| 8/28 - St. Louis, 3-2 (at StL - WP: Motte; LP: Bergmann) |
| 8/29 - St. Louis, 9-4 (at StL - WP: Boggs; LP: Stammen) |
| 8/30 - St. Louis, 2-1 (at StL - WP: Wainwright; LP: Mock) |
| St. Louis last 13 games |
Washington last 13 games |
| 09/24 - W at Houston, 6-1 |
09/24 - W vs. Milwaukee, 12-2 |
| 09/25 - W at Houston, 4-0 |
09/25 - L at Philadelphia, 3-6 |
| 09/26 - L at Houston, 0-2 |
09/26 - W at Philadelphia, 8-4 |
| 09/28 - W vs. Washington, 12-2 |
09/27 - W at Philadelphia, 7-3 |
| 09/29 - L vs. Washington, 4-6 (10) |
09/28 - L at St. Louis, 2-12 |
| 09/30 - W vs. Washington, 10-4 |
09/29 - W at St. Louis, 6-4 (10) |
| 10/01 - W vs. Cincinnati, 4-2 |
09/30 - L at St. Louis, 4-10 |
| 10/02 - L vs. Cincinnati, 1-3 |
10/01 - L vs. Philadelphia, 0-2 |
| 10/03 - W vs. Cincinnati, 1-0 |
10/02 - W vs. Philadelphia, 4-2 |
| 10/05 - W at Atlanta, 6-3 (POFF) |
10/03 - W vs. Philadelphia, 5-1 |
| 10/07 - L vs. Washington, 2-3 (POFF) |
10/07 - W at St. Louis, 3-2 (POFF) |
| 10/08 - W vs. Washington, 12-4 (POFF) |
10/08 - L at St. Louis, 4-12 (POFF) |
| 10/10 - W at Washington, 8-0 (POFF) |
10/10 - L vs. St. Louis, 0-8 (POFF) |