The Parkway Series, through the years:
2005 - did not play
2006 - home 2-1, away 1-2, total 3-3
2007 - home 1-2, away 3-0, total 4-2
2008 - home 2-1, away 1-2, total 3-3
2009 - home 1-2, away 1-2, total 2-4
2010 - home 2-1, away 0-3, total 2-4
2011 - home TBD, away 1-2, total anywhere from 4-2 to 1-5
Total thus far 8-7 home, 7-11 away, grand total 15-18
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Attendance at Nats Park for Parkway Series home fixtures, excerpted from my complete list (hence the constant repetition of opponent name):
39,824 Sunday 29th June 2008 vs Orioles [highest attendance of 2008 and 9th highest ever at Nats Park]
39,479 Saturday 28th June 2008 vs Orioles [10th highest ever at Nats Park]
35,830 Friday 27th June 2008 vs Orioles
31,833 Saturday 23rd May 2009 vs Orioles
30,880 Sunday 24th May 2009 vs Orioles
30,290 Saturday 22nd May 2010 vs Orioles
27,535 Sunday 23rd May 2010 vs Orioles
27,378 Friday 21st May 2010 vs Orioles
22,556 Friday 22nd May 2009 vs Orioles