| Year | Champion | Runner-Up | Score | Brackets |
| 1973 | Claudia Smith (Hempfield) | Barbara Jordan (Upper Merion) | 3-6, 6-3, 7-5 | |
| 1974 | Barbara Jordan (Upper Merion) | Lynn Koth (North Penn) | 6-2, 6-1 | |
| 1975 | Barbara Jordan (Upper Merion) | Joy McManus (Mt. Lebanon) | 6-2, 6-1 | Brackets |
| 1976 | Kathy Jordan (Upper Merion) | Berta McCallum (Mt. Lebanon) | 6-0, 6-1 | Brackets |
| 1977* | Kathy Jordan (Upper Merion) | Susie Silverman (Allderdice) | 6-1, 6-0 | Brackets |
| 1977* | Gail Wolfinger (Abington) | Wendy Sturm (Mercyhurst Prep) | 6-3, 6-4 | Brackets |
| 1978* | Wendy Sturm (Mercyhurst Prep) | Gail Wolfinger (Abington) | 6-3, 6-4 | Brackets |
| 1979 | Gretchen Rush (Mt. Lebanon) | Ingrid Hetz (Central Bucks East) | 7-5, 6-1 | Brackets |
| 1980 | Debbie Pollack (Churchill) | Jamie Beere (Cheltenham) | 6-0, 6-1 | Brackets |
| 1981 | Gretchen Rush (Mt. Lebanon) | Darnell Adams (Greensburg C.C.) | 6-1, 6-2 | Brackets |
| 1982 | Kelly Kolankiewicz (Mt. Lebanon) | Darnell Adams (Greensburg C.C.) | 6-3, 6-0 | Brackets |
| 1983 | Kelly Kolankiewicz (Mt. Lebanon) | Darnell Adams (Greensburg C.C.) | 6-1, 6-0 | Brackets |
| 1984 | Laura Glitz (York Suburban) | Kelly Erven (Mercyhurst Prep) | 6-3, 6-2 | Brackets |
| 1985 | Kelly Erven (Mercyhurst Prep) | Jennifer Rojohn (Serra Catholic) | 6-4, 6-4 | Brackets |
| 1986 | Kelly Erven (Mercyhurst Prep) | Gayle Miller (Conestoga) | 7-5, 7-5 | Brackets |
| 1987 | Gayle Miller (Conestoga) | Kara Schertzer (McDowell) | 7-5, 6-2 | Brackets |
| 1988 | Erika Stenstrom (Radnor) | Kara Schertzer (McDowell) | 7-5, 6-1 | Brackets |
| 1989 | Chris DiNardo (Moon) | Katrine Guenther (Upper St. Clair) | 6-3, 2-6, 6-3 | Brackets |
| 1990 | Karen Schertzer (McDowell) | Katrine Guenther (Upper St. Clair) | 6-2, 6-2 | Brackets |
| 1991 | Alison Cohen (Lower Merion) | Susie Bowman (Council Rock) | 6-4, 6-4 | Brackets |
| 1992 | Lauren Nikolaus (Lancaster Catholic) | Lule Aydin (Southern Lehigh) | 6-1, 2-6, 6-1 | Brackets |
| 1993 | Lauren Nikolaus (Lancaster Catholic) | Kellie Murphy (Penncrest) | 6-0, 7-6 (3) | Brackets |
| 1994 | Leigh Eichelberger (Southern Lehigh) | Laura Tsaggaris (Moon) | 6-2, 7-6 (4) | Brackets |
| 1995 | Vinnie Seiverling (Hershey) | Leigh Eichelberger (Southern Lehigh) | 7-5, 6-4 | Brackets |
| 1996 | Vinnie Seiverling (Hershey) | Alice Sukner (Allderdice) | 6-3, 6-1 | Brackets |
| 1997 | Sara Riske (Peters Township) | Kristen White (Central Bucks East) | 6-2, 7-6 (5) | Brackets |
| 1998 | Sara Riske (Peters Township) | Kristen Nowicki (Greensburg Salem) | 6-0, 6-4 | Brackets |
| 1999 | Kelly Baritot (North Allegheny) | Hillary Mintz (Bensalem) | 6-4, 6-2 | Brackets |
| 2000 | Karissa Walker (Latrobe) | Hillary Mintz (Bensalem) | 6-1, 7-5 | Brackets |
| 2001 | Hillary Mintz (Bensalem) | Sara Schiffman (Lower Merion) | 6-1, 6-3 | Brackets |
| 2002 | Hillary Mintz (Bensalem) | Kim Whelan (North Allegheny) | 6-0, 6-1 | Brackets |
| 2003 | Michaela Kissell (Latrobe) | Julie Raezer (Lower Merion) | 6-2, 6-4 | Brackets |
| 2004 | Michaela Kissell (Latrobe) | Lindsay Gray (Bethlehem Liberty) | 6-1, 6-0 | Brackets |
| 2005 | Michaela Kissell (Latrobe) | Courtney Fenimore (Lower Merion) | 6-0, 1-0 | Brackets |
| 2006 | Allison Riske (Peters Township) | Alexis Dorr (Central Bucks East) | 6-0, 6-2 | Brackets |
| 2007 | Lauren Greco (Shady Side Academy) | Lauren Hankle (Hempfield, Dist. 3) | 6-3, 6-4 | Brackets |
| 2008 | Tessa Lyons (Strath Haven) | Ronit Yurovsky (Plum) | 7-6 (7), 6-3 | Brackets |
| 2009 | Joelle Kissell (Latrobe) | Tessa Lyons (Strath Haven) | 4-6, 6-2, 6-3 | Brackets |
| 2010 | Ronit Yurovsky (Plum) | Sara Perelman (Shady Side Acad.) | 6-0, 6-0 | Brackets |
| 2011 | Ronit Yurovsky (Plum) | Cristina Kaiser (Plymouth Whitemarsh) | 6-1, 6-2 | Brackets |
| 2012 | Cristina Kaiser (Plymouth Whitemarsh) | Callie Frey (Mt. Lebanon) | 7-5, 6-3 | Brackets |
| 2013 | Marlys Bridgham (Pine-Richland) | Mihaela Condreanu (Methacton) | 6-1, 6-4 | Brackets |
| 2014 | Ananya Dua (Shady Side Academy) | Anna Li (North Allegheny) | 6-1, 6-1 | Brackets |
| 2015 | Ananya Dua (Shady Side Academy) | Anna Li (North Allegheny) | 7-6 (7-5), 6-1 | Brackets |
| 2016 | Maria Santilli (Norwin) | Eliza Askarova (George Washington) | 6-4, 6-4 | Brackets |
| 2017 | Ashley Huang (North Allegheny) | Eliza Askarova (George Washington) | 6-4, 3-6, 6-4 | Brackets |
| 2018 | Neha Velaga (North Penn) | Ashley Huang (North Allegheny) | 4-6, 6-2, 6-4 | Brackets |
| 2019 | Amelia Honer (Council Rock North) | Charlotte James (Fox Chapel) | 6-1, 6-2 | Brackets |
| Year | Champion | Runner-Up | Score | Brackets |
| 1998 | Jackie Carleton (Jenkintown) | Nikki Borza (Beaver) | 6-0, 6-2 | Brackets |
| 1999 | Jackie Carleton (Jenkintown) | Patty Devlin (York Suburban) | 6-4, 6-4 | Brackets |
| 2000 | Jackie Carleton (Jenkintown) | Susan Pollack (Wyomissing) | 6-1, 6-1 | Brackets |
| 2001 | Christine Kansky (Crestwood) | Susan Pollack (Wyomissing) | 6-2, 6-0 | Brackets |
| 2002 | Grace Blakely (Wyomissing) | Christine Kansky (Crestwood) | 7-5, 6-3 | Brackets |
| 2003 | Christine Kansky (Crestwood) | Susan Pollack (Wyomissing) | 6-0, 6-1 | Brackets |
| 2004 | Annie Houghton (Quaker Valley) | Alexandra Kaluza (Beaver) | 6-4, 7-6 (4) | Brackets |
| 2005 | Martha Blakely (Wyomissing) | Cate Stewart (Quaker Valley) | 6-4, 6-1 | Brackets |
| 2006 | Martha Blakely (Wyomissing) | Cate Stewart (Quaker Valley) | 6-1, 6-1 | Brackets |
| 2007 | Martha Blakely (Wyomissing) | Cate Stewart (Quaker Valley) | 6-0, 6-1 | Brackets |
| 2008 | Madison Cohen (Lower Moreland) | Casey Robinson (Harriton) | 6-2, 6-0 | Brackets |
| 2009 | Julia Casslebury (Lancaster Country Day) | Tanya Timko (Chartiers-Houston) | 6-4, 7-5 | Brackets |
| 2010 | Julia Casslebury (Lancaster Country Day) | Spencer Caravaggio (Quaker Valley) | 6-1, 6-3 | Brackets |
| 2011 | Julia Casslebury (Lancaster Country Day) | Audrey Ann Blakely (Wyomissing) | 6-2, 6-0 | Brackets |
| 2012 | Audrey Ann Blakely (Wyomissing) | Spencer Caravaggio (Quaker Valley) | 6-4, 6-4 | Brackets |
| 2013 | Nathalie Joanlanne (Wyoming Seminary) | Bronwyne Mellott (McConnellsburg) | 6-4, 7-6 (7-4) | Brackets |
| 2014 | Tyra Ott (Wilson) | Bronwyne Mellott (McConnellsburg) | 3-6, 6-3, 6-1 | Brackets |
| 2015 | Elene Tsokilauri (Delaware Co. Christian) | Lin Robertson (Berks Catholic) | 6-3, 6-3 | Brackets |
| 2016 | Emily Gordon (Grove City) | Brenna Magliocchetti (Bethlehem Cath.) | 2-6, 7-5, 7-5 | Brackets |
| 2017 | Brenna Magliocchetti (Bethlehem Cath.) | Laura Greb (Knoch) | 6-2, 7-6 (7-5) | Brackets |
| 2018 | Nikole Lisovyy (Lower Moreland) | Brenna Magliocchetti (Bethlehem Cath.) | 6-1, 6-4 | Brackets |
| 2019 | Karissa Ghigiarelli (Riverside, D-2) | Olivia Dorner (South Williamsport) | 6-3, 5-7, 6-3 | Brackets |