Big Nine Conference
(1974 to 2006)
League Champions
| Year | School | Coach |
| 1974 | Grand Blanc | Lynn Freiheit |
| 1975 | Grand Blanc | Lynn Freiheit |
| 1976 | Grand Blanc | Lynn Freiheit |
| 1977 | Grand Blanc | Lynn Freiheit |
| 1978 | Grand Blanc | Lynn Freiheit |
| 1979 | Grand Blanc | Mick Faulman |
| 1980 | Grand Blanc | Mick Faulman |
| 1981 | Grand Blanc | Mick Faulman |
| 1982 | Grand Blanc | Mick Faulman |
| 1983 | Grand Blanc | Mick Faulman |
| 1984 | Grand Blanc | Mick Faulman |
| 1985 | Grand Blanc | Ken Laetz |
| 1986 | Grand Blanc | Sylvia Velarde |
| 1987 | Grand Blanc | Sylvia Velarde |
| 1988 | Powers Catholic | Doug Adams |
| 1989 | Grand Blanc | Sylvia Velarde |
| 1990 | Powers Catholic | Doug Adams |
| 1991 | Grand Blanc | Sylvia Velarde |
| 1992 | Powers Catholic | Doug Adams |
| 1993 | Powers Catholic | Doug Adams |
| 1994 | Grand Blanc | Sylvia Velarde |
| 1995 | Carman-Ainsworth | Sue Schupack |
| 1996 | Carman-Ainsworth | Sue Schupack |
| 1997 | Carman-Ainsworth | Sue Schupack |
| 1998 | Carman-Ainsworth/Powers Catholic | Sue Schupack/Doug Adams |
| 1999 | Powers Catholic | Doug Adams |
| 2000 | Flushing | Allan Nelson |
| 2001 | Flushing and Powers Catholic | Allan Nelson and Pam Brady (PC) |
| 2002 | Powers Catholic | Mary Boike |
| 2003 | Powers Catholic | Mary Boike |
| 2004 | Powers Catholic | Mary Boike |
| 2005 | Powers Catholic | Mary Boike |
| 2006 | Grand Blanc | Ryan Michelson/Lori Krimbill |
Big Nine Tournament Champions
| Year | School | Coach |
| 1974 | Grand Blanc | Lynn Freiheit |
| 1975 | Grand Blanc | Lynn Freiheit |
| 1976 | Grand Blanc | Lynn Freiheit |
| 1977 | Grand Blanc | Lynn Freiheit |
| 1978 | Grand Blanc | Lynn Freiheit |
| 1979 | Grand Blanc | Mick Faulman |
| 1980 | Grand Blanc | Mick Faulman |
| 1981 | Powers Catholic | Ken Lambert |
| 1982 | Grand Blanc | Mick Faulman |
| 1983 | Grand Blanc | Mick Faulman |
| 1984 | Grand Blanc | Mick Faulman |
| 1985 | Grand Blanc | Sylvia Velarde |
| 1986 | Grand Blanc | Sylvia Velarde |
| 1987 | Powers Catholic | Doug Adams |
| 1988 | Grand Blanc | Sylvia Velarde |
| 1989 | Grand Blanc | Sylvia Velarde |
| 1990 | Grand Blanc | Sylvia Velarde |
| 1991 | Grand Blanc | Sylvia Velarde |
| 1992 | Grand Blanc | Sylvia Velarde |
| 1993 | Powers Catholic | Doug Adams |
| 1994 | Grand Blanc | Sylvia Velarde |
| 1995 | Carman-Ainsworth | Sue Schupack |
| 1996 | Carman-Ainsworth/Powers Catholic | Sue Schupack/Doug Adams |
| 1997 | Carman-Ainsworth | Sue Schupack |
| 1998 | Carman-Ainsworth | Sue Schupack |
| 1999 | Powers Catholic | Doug Adams |
| 2000 | Flushing | Allan Nelson |
| 2001 | Flushing and Powers Catholic | Allan Nelson and Pam Brady (PC) |
| 2002 | Powers Catholic | Mary Boike |
| 2003 | Powers Catholic | Mary Boike |
| 2004 | Powers Catholic | Mary Boike |
| 2005 | Powers Catholic | Mary Boike |
| 2006 | Grand Blanc | Ryan Michelson/Lori Krimbill |
Big Nine Tournament Champions at No. 1 singles
Championship match results
| Year | Result |
| 1974 | Mary Jane Lang, Grand Blanc, d. Linda Chema, Grand Blanc, 6-3, 6-2 |
| 1975 | Linda Chema, Grand Blanc, d. Kathy Torrey, Flushing, 6-0, 6-1 |
| 1976 | Sue Johnson, Grand Blanc |
| 1977 | Tracy Berg, Grand Blanc |
| 1978 | Tracy Titus, Grand Blanc |
| 1979 | Kim Canada, Carman, d. Nancy Mason, Grand Blanc, 6-2, 6-2 |
| 1980 | Kim Canada, Carman, d. Sue Robbins, Grand Blanc, 6-2, 6-1 |
| 1981 | Amy Hagan, Powers Catholic, d. Jensine Anderson, Grand Blanc |
| 1982 | Pam Photiou, Grand Blanc, d. Kristi Hill, Kearsley, 6-2, 6-2 |
| 1983 | Kristi Hill, Kearsley, d. Pam Photiou, Grand Blanc, 1-6, 6-0, 6-1 |
| 1984 | Jean Park, Grand Blanc, d. Diane VanBrocklin, Carman, 6-4, 3-6, 6-3 |
| 1985 | Teresa Velarde, Grand Blanc, d. Kristi Hill, Kearsley, 6-2, 6-2 |
| 1986 | Anje Reyes, Powers Catholic, d. Katie Burau, Grand Blanc, 5-7, 6-3, 6-1 |
| 1987 | Anje Reyes, Powers Catholic, d. Jennifer Langdon, Clio |
| 1988 | Jennifer Langdon, Clio, d. Kassie Hembree, Grand Blanc, 7-5, 6-0 |
| 1989 | Jennifer Langdon, Clio, d. Lisa Farrehi, Grand Blanc, 6-1, 6-0 |
| 1990 | Kassie Hembree, Grand Blanc, d. Rene MacVay, Powers Catholic, 6-1, 6-1 |
| 1991 | Alicia Ambrose, Grand Blanc, d. Sumi Kang, Powers Catholic, 6-1, 6-1 |
| 1992 | Alicia Ambrose, Grand Blanc, d. Sumi Kang, Powers Catholic, 6-2, 6-1 |
| 1993 | Alicia Ambrose, Grand Blanc, d. Marya Farah, Powers Catholic, 6-1, 6-0 |
| 1994 | Alicia Ambrose, Grand Blanc, d. Marya Farah, Powers Catholic, 6-1, 6-1 |
| 1995 | Julie Gleason, Grand Blanc, d. Marya Farah, Powers Catholic, 6-4, 6-1 |
| 1996 | Emily Sabo, Grand Blanc, d. Marya Farah, Powers Catholic, 6-2, 6-0 |
| 1997 | Julie Gleason, Grand Blanc, d. Kelly Kashmerick, Flushing, 6-1, 6-1 |
| 1998 | Kristin Atkinson, Grand Blanc, d. Shelley Brady, Powers Catholic, 6-1, 6-4 |
| 1999 | *Kristin Atkinson, Powers Catholic, d. Andrea Thomas, Flushing, 6-1, 6-0 |
| 2000 | Shelley Brady, Powers Catholic, d. Andrea Thomas, Flushing, 6-1, 6-0 |
| 2001 | Shelley Brady, Powers Catholic, d. Andrea Thomas, Flushing, 6-1, 6-1 |
| 2002 | Shanley Boike, Powers Catholic, d. Kristin Prochazka, Flushing, 6-2, 6-3 |
| 2003 | Shanley Boike, Powers Catholic, d. Jackie Feurt, Carman-Ainsworth, 2-6, 6-0, 6-1 |
| 2004 | Shanley Boike, Powers Catholic, d. Jackie Feurt, Carman-Ainsworth, 6-2, 6-1 |
| 2005 | Meghan Teunis, Powers Catholic, d. Amanda Pettey, Flushing, 6-1, 6-1 |
| 2006 | Meghan Teunis, Powers Catholic, d. Nina Pappas, Carman-Ainsworth, 6-1, 6-1 |
Big Nine Conference dual-meet win streaks
| School | Streak | Time Span | Ended/Last loss |
| Grand Blanc | 98 | 1974-88 | 4-3 loss to Powers Catholic on Oct. 6, 1988 |
| Powers Catholic | 32 | 2001-2006 | Ended with a 4-4 tie with Carman-Ainsworth on Sept. 2, 2006 |
| Powers Catholic | 26 | 1991-94 | 5-2 loss to Carman-Ainsworth on Sept. 29, 1994 |
| Carman-Ainsworth | 26 | 1994-97 | 4-3 loss to Grand Blanc on Sept. 25, 1997 |
| Powers Catholic | 20 | 1997-2000 | 6-2 loss to Flushing on Sept. 20, 2000 |
| Powers Catholic | 11 | 1990-91 | 5-2 loss to Grand Blanc on Sept. 17, 1991 |
| Flushing | 11 | 1999-2001 | Ended with a 4-4 tie to Powers Catholic on Sept. 18, 2001 |
Big Nine Conference dual-meet unbeaten streaks
| School | Streak | Time span | Ended/last loss |
| Grand Blanc | 98 | 1974-88 | 4-3 loss to Powers Catholic on Oct. 6, 1988 |
| Powers Catholic | 41 | 2000-06 | Ended with a 7-1 loss to Grand Blanc on Sept. 13, 2006 |
| Powers Catholic | 26 | 1991-94 | 5-2 loss to Carman-Ainsworth on Sept. 29, 1994 |
| Carman-Ainsworth | 26 | 1994-97 | 4-3 loss to Grand Blanc on Sept. 25, 1997 |
| Powers Catholic | 20 | 1997-2000 | 6-2 loss to Flushing on Sept. 20, 2000 |
| Flushing | 14 | 1999-2002 | Ended with a 5-3 loss to Powers Catholic on Aug. 29, 2002 |
| Powers Catholic | 11 | 1990-91 | 5-2 loss to Grand Blanc on Sept. 17, 1991 |
Big Nine Conference Coach of the Year
| Year | Coach(s) | School(s) |
| 1986 | None selected | None |
| 1987 | None selected | None |
| 1988 | Dennis Grunden | Davison |
| 1989 | None selected | None |
| 1990 | Doug Adams | Powers Catholic |
| 1991 | Sylvia Velarde | Grand Blanc |
| 1992 | Doug Adams | Powers Catholic |
| 1993 | Doug Adams | Powers Catholic |
| 1994 | Allan Nelson | Flushing |
| 1995 | Sue Schupack | Carman-Ainsworth |
| 1996 | Doug Adams | Powers Catholic |
| 1997 | Doug Adams | Powers Catholic |
| 1997 | Jennifer Hall | Davison |
| 1998 | Doug Adams | Powers Catholic |
| 1998 | Sue Schupack | Carman-Ainsworth |
| 1999 | Doug Adams | Powers Catholic |
| 2000 | Allan Nelson | Flushing |
| 2001 | Allan Nelson | Flushing |
| 2002 | Mary Boike | Powers Catholic |
| 2003 | Mary Boike | Powers Catholic |
| 2004 | Mary Boike | Powers Catholic |
| 2005 | Mary Boike | Powers Catholic |
| 2006 | Ryan Michelson | Grand Blanc |
| 2006 | Lori Krimbill | Grand Blanc |
Notes:
1. Girls' tennis became a Big Nine Conference sport in the fall of 1974
2. Grand Blanc's first home dual-meet loss was a 4-3 setback to Powers Catholic on Sept. 22, 1993.
3. Flushing beat Grand Blanc 4-3 on Sept. 16, 1995 to give the Bobcats their second home dual-meet loss ever.
4. Flushing beat Powers Catholic 4-3 on Sept. 14, 1995 to become the first area school to beat Grand Blanc and Powers in consecutive matches.
*Denotes that Kristin Atkinson transferred to Powers Catholic from Grand Blanc in January of 1999. She became eligible to play at Powers in the fall of 1999 after sitting out the spring season.
