| 2024 |
| Fri., Nov. 1 | @ Steel Valley | L 28-49 | 1st Round Playoffs |
| 2023 |
| Fri., Nov. 17 | vs. Beaver Falls | L 26-28 | 1st Round Playoffs |
| 2022 |
| Fri., Nov. 4 | vs. Serra Catholic | W 49-21 | 1st Round Playoffs | | Fri., Nov. 11 | @ Neshannock | L 27-30 | 2nd Round Playoffs |
| 2021 |
| Fri., Nov. 5 | vs. New Brighton | L 20-21 (OT) | 1st Round Playoffs |
| 2020 |
| Fri., Oct. 30 | @ Apollo Ridge | L 6-42 | 1st Round Playoffs |
| 2019 |
| Fri., Nov. 1 | vs. Shady Side Academy | W 21-7 | 1st Round Playoffs | | Fri., Nov. 8 | vs. Freedom Area | W 28-0 | 1st Round Playoffs | | Fri., Nov. 15 | vs. Brentwood | W 20-14 | 2nd Round Playoffs | | Sat., Nov. 23 | vs. Avonworth | L 6-28 | 3rd Round Playoffs |
| 2018 |
| | vs. New Brighton | W 54-20 | 1st Round Playoffs | | | vs. Steel Valley | L 7-39 | 1st Round Playoffs |
| 2017 |
| | vs. Freedom Area | W 28-0 | 1st Round Playoffs | | | vs. East Allegheny | W 54-7 | 1st Round Playoffs | | | vs. North Catholic | W 19-14 | 2nd Round Playoffs | | | vs. Steel Valley | W 37-10 | 3rd Round Playoffs | | | vs. Wilmington | L 42-49 | Semi-finals Playoffs |
| 2016 |
| | vs. South Side | W 35-13 | 1st Round Playoffs | | | vs. Brentwood | W 61-27 | 1st Round Playoffs | | | vs. Neshannock | L 7-27 | 2nd Round Playoffs |
| 2015 |
| | vs. Deer Lakes | W 52-7 | 1st Round Playoffs | | | vs. Freeport | L 14-24 | 1st Round Playoffs |
| 2014 |
| | vs. Steel Valley | W 34-7 | 1st Round Playoffs | | | vs. Apollo Ridge | W 58-30 | 1st Round Playoffs | | | vs. Aliquippa | L 26-44 | 2nd Round Playoffs |
| 2013 |
| | vs. Seton-LaSalle | L 27-35 | 1st Round Playoffs |
| 2012 |
| | vs. Shady Side Academy | W 40-6 | 1st Round Playoffs | | | vs. Seton-LaSalle | W 33-17 | 1st Round Playoffs | | | vs. South Fayette | W 26-14 | 2nd Round Playoffs | | | vs. Aliquippa | L 7-34 | 3rd Round Playoffs |
| 2011 |
| | vs. Mt. Pleasant | W 30-14 | 1st Round Playoffs | | | vs. Aliquippa | L 6-36 | 2nd Round Playoffs |
| 2009 |
| | Center | L 0-27 | 1st Round Playoffs |
| 2005 |
| | Aliquippa | W 7-0 | 1st Round Playoffs |
| 2002 |
| | Freeport | L 21-30 | 1st Round Playoffs |
| 2001 |
| | Beaver Falls | W 24-14 | 1st Round Playoffs | | | Mohawk | W 35-7 | 1st Round Playoffs | | | New Brighton | W 49-14 | 2nd Round Playoffs | | | South Park | W 50-22 | 3rd Round Playoffs | | | Bishop McCort | W 42-21 | Semi-finals Playoffs | | | Pen Argyl | W 19-12 | Championship Game |
| 2000 |
| | Burrell | W 49-6 | 1st Round Playoffs | | | Aliquippa | L 28-43 | 3rd Round Playoffs | | | Steel Valley | W 26-18 | 2nd Round Playoffs |
| 1999 |
| | Aliquippa | W 15-12 | 1st Round Playoffs | | | Quaker Valley | W 55-0 | 2nd Round Playoffs | | | Shady Side Academy | W 34-21 | 3rd Round Playoffs | | | Waynesburg | L 3-30 | Semi-finals Playoffs |
| 1998 |
| | Aliquippa | W 30-8 | 1st Round Playoffs | | | Charleroi | W 24-7 | 2nd Round Playoffs | | | Shenango | W 31-21 | 3rd Round Playoffs | | | Shady Side Academy | L 12-30 | Semi-finals Playoffs |
| 1997 |
| | Bentworth | W 41-21 | 1st Round Playoffs | | | Shady Side Academy | L 6-27 | 2nd Round Playoffs |
| 1995 |
| | Aliquippa | W 27-14 | 1st Round Playoffs | | | Burrell | L 13-14 | 2nd Round Playoffs | | | Jeannette | W 27-0 | 2nd Round Playoffs |
| 1993 |
| | Burrell | W 20-0 | 1st Round Playoffs | | | Riverside | W 12-7 | 2nd Round Playoffs | | | West Allegheny | W 17-14 | 3rd Round Playoffs | | | Forest Hills | W 21-8 | Semi-finals Playoffs | | | Dallas | L 7-31 | Championship Game |
| 1991 |
| | Bethlehem Center | L 26-42 | 1st Round Playoffs |
| 1990 |
| | Aliquippa | W 18-12 | 1st Round Playoffs | | | Canevin | L 20-21 | 3rd Round Playoffs | | | Freedom | W 16-15 | 2nd Round Playoffs |
| 1989 |
| | Freeport | L 7-20 | 1st Round Playoffs |
| 1988 |
| | Center | L 18-28 | 1st Round Playoffs |
| 1987 |
| | Beaver | L 14-20 | 1st Round Playoffs |
| 1985 |
| | Freeport | L 17-21 | 1st Round Playoffs |
| 1984 |
| | Beaver Falls | L 6-13 | 1st Round Playoffs |
| 1983 |
| | Riverside | W 38-30 | 1st Round Playoffs | | | Jeannette | L 19-21 | 2nd Round Playoffs |
| 1982 |
| | Riverside | W 14-13 | 1st Round Playoffs | | | Jeannette | L 0-42 | 2nd Round Playoffs |
| 1972 |
| | Albert Gallatin | W 14-12 | 1st Round Playoffs | | | Freeport | L 0-19 | 2nd Round Playoffs |
| 1952 |
| | Aliquippa | L 12-13 | 1st Round Playoffs |
| 1926 |
| | Wilkinsburg | W 26-0 | 1st Round Playoffs |
| 1923 |
| | Pittsburg Allegheny | W 60-0 | 1st Round Playoffs |
| 1922 |
| | Wilkinsburg | L 6-7 | 1st Round Playoffs |
| 1920 |
| | Pittsburg Fifth Avenue | W 14-7 | 1st Round Playoffs |
| 1917 |
| | Johnstown | T 0-0 | 1st Round Playoffs |
|
| Washington Playoff Totals |
| Record |
48-34-1 2018-1549 |
| Home Record | 18-11 |
| Away Record | 0-3 |
|
