| 2023-4: FourBall: Will Bass (+6) & Mark Williams (+15) halved with Rick Gordon & Tom Bres (+17) |
| 2023-7: Foursomes: Matt Haas & Vince Olenik d. Ron George & Mark Williams (+7) 1 up |
| 2023-19: Pairs: James Gurney d. Mark Williams (+11) 1 up |
| 2022-3: FourBall: Paul Morgan & Jon DeAngelis (+7) d. Glenn Peggs (+3) & Mark Williams (+13) 1 up |
| 2022-7: Foursomes: Dennis Hackett & Tom Bres (+9) d. Bill George & Mark Williams 2 & 1 |
| 2022-14: Pairs: Mark Williams d. Tom Bres (+2) 5 & 4 |
| 2021-5: FourBall: James Gurney & Brent Keller (+3) d. Bill George (+2) & Mark Williams (+10) 4 & 3 |
| 2021-10: Foursomes: Mark Williams & Ron George d. Rick Gordon & Jamie Grace 2 & 1 |
| 2021-14: Pairs: Mark Williams (+1) halved with Jamie Grace |
| 2020-4: FourBall: Brad Juday (+6) & Mark Williams (+9) d. Rick Gordon & Jamie Grace (+8) 1 up |
| 2020-7: Foursomes: Bob Walters & Mark Williams (+7) d. Paul Morgan & Jamie Grace 2 & 1 |
| 2020-15: Pairs: Jon DeAngelis d. Mark Williams (+5) 3 & 2 |
| 2019-3: FourBall: Frank George (+14) & Rick Gordon (+1) d. Mark Williams (+9) & Ted Lefere 1 up |
| 2019-6: Foursomes: Vince Olenik & Jamie Grace d. Mark Williams & Mike Walters (+1) 1 up |
| 2019-20: Pairs: Mark Williams (+16) d. Paul Morgan 4 & 3 |
| 2018-5: FourBall: Mark Williams (+10) & Ted Lefere d. Dominic Spadafore (+1) & Frank George (+15) 1 up |
| 2018-11: Foursomes: Jon DeAngelis & Paul Morgan d. Glenn Peggs & Mark Williams (+3) 6 & 5 |
| 2018-14: Pairs: Mark Williams (+5) halved with Dennis Hackett |
| 2017-1: FourBall: Paul Morgan & Dennis Hackett (+11) d. Mark Williams (+15) & Ron George (+4) 2 & 1 |
| 2017-7: Foursomes: Dennis Hackett & Matt Cates (+1) d. Bob Walters & Mark Williams 2 up |
| 2017-19: Pairs: Dominic Spadafore d. Mark Williams (+8) 4 & 3 |
| 2016-1: FourBall: Rick Gordon & Frank George (+11) d. Mark Williams (+8) & Bill Sedwick (+11) 3 & 2 |
| 2016-8: Foursomes: Bob Walters & Mark Williams (+2) d. Matt Cates & James Gurney 4 & 3 |
| 2016-12: Pairs: Mark Williams d. Frank George (+3) 5 & 4 |
| 2015-2: FourBall: Jon DeAngelis & Jamie Grace (+4) d. Bob Walters (+1) & Mark Williams (+5) 2 & 1 |
| 2015-7: Foursomes: Vince Olenik & Jon DeAngelis d. Dan Maletich & Mark Williams (+4) 3 & 2 |
| 2015-12: Pairs: Ron George Sr. (+1) d. Mark Williams 2 & 1 |
| 2014-3: FourBall: Mark Williams & Brad Juday (+4) d. AC Shoop (+2) & Ron George Sr. 2 up |
| 2014-7: Foursomes: Brad Juday & Mark Williams d. Ron George Sr. & AC Shoop 7 & 5 |
| 2014-18: Pairs: Mark Williams (+3) d. Matt Cates 1 up |
| 2012-5: FourBall: AC Shoop & Frank George (+7) d. Mark Williams & Bill Sedwick (+2) 1 up |
| 2012-7: Foursomes: Ron George & Mark Williams d. Matt Cates & Frank George (+9) 3 & 2 |
| 2012-17: Pairs: Mark Williams (+4) halved with Dennis Hackett |
| 2011-3: FourBall: Frank George (+17) & Jamie Grace (+8) d. Brad Schubert & Mark Williams (+9) 2 & 1 |
| 2011-7: Foursomes: Paul Morgan & AC Shoop d. Mark Williams & Bob Walters (+8) 1 up |
| 2011-14: Pairs: Jamie Grace d. Mark Williams (+1) 4 & 2 |
| 2010-4: FourBall: Ron George & Mark Williams (+7) halved with Jamie Grace (+8) & Frank George (+11) |
| 2010-8: Foursomes: Mark Williams & Bob Walters (+1) halved with Jon DeAngelis & Frank George |
| 2010-10: Pairs: Mark Williams (+9) d. Brad Schubert 2 & 1 |
| 2009-2: FourBall: Steve Shoop & Lou Boudreau d. Brad Juday (+11) & Mark Williams (+9) 3 & 2 |
| 2009-7: Foursomes: Mark Williams & Bill Sedwick (+6) d. Dennis Hackett & Lou Boudreau 5 & 4 |
| 2009-15: Pairs: Ed Smith d. Mark Williams (+6) 8 & 6 |
| 2008-2: FourBall: Jon DeAngelis & Ron George Sr. (+7) d. Mark Williams (+3) & Brad Juday (+5) 2 up |
| 2008-9: Foursomes: Dennis Hackett & Jon DeAngelis d. Dick Oliver & Mark Williams (+6) 1 up |
| 2008-15: Pairs: Mark Williams (+3) d. Jon DeAngelis 1 up |
| 2007-8: Foursomes: Steve Shoop & Jon DeAngelis d. Mark Williams & Bob Ligon (+3) 6 & 5 |
| 2007-13: Pairs: Jamie Grace (+8) d. Mark Williams 4 & 3 |
| 2004-3: FourBall: Mark Williams (+4) & Ron George (+4) d. AC Shoop (+4) & Dennis Hackett 2 & 1 |
| 2004-10: Foursomes: Jeff Hackett & Mark Williams d. Bob Walters & Dennis Hackett (+3) 4 & 3 |
| 2004-13: Pairs: Tom Bres (+5) d. Mark Williams 4 & 3 |
| 2002-5: FourBall: Ron George & Mark Williams (+4) d. AC Shoop (+1) & Ron George Sr. (+8) 5 & 4 |
| 2002-10: Foursomes: Brad Juday & Mark Williams (+4) Bob Walters d. Jon DeAngelis & 3 & 2 |
| 2002-15: Pairs: Mark Williams d. Ron George Sr. 4 & 3 |
| 2001-6: FourBall: Mike Walters & Mark Williams (+15) d. Steve Shoop (+4) & Ed Smith (+8) 2 up |
| 2001-9: Foursomes: Jon DeAngelis & Tom Bres d. Tim Seelig & Mark Williams (+1) 2 & 1 |
| 2001-18: Pairs: Mark Williams d. Tom Bres (+2) 2 up |
| 1999-6: FourBall: Steve Shoop & Dave Marcenkowski (+9) d. Brad Juday (+8) & Mark Williams (+8) 4 & 2 |
| 1999-7: Foursomes: Frank George & Jamie Grace d. Tim Seelig & Mark Williams 2 & 1 |
| 1999-13A: Pairs: Forfeit d. Mark Williams 1 up |
| 1998-2: FourBall: Mark Williams & Ron George d. Frank George & Ron George Sr. 6 & 4 |
| 1998-10: Foursomes: Mark Williams & Mark Smith d. Dave Marcenkowski & Ron George Sr. 3 & 2 |
| 1998-16: Pairs: Mark Williams d. Ron George Sr. (+6) 3 & 2 |
| 1997-5: FourBall: Ed Smith & Jon DeAngelis d. Brett Smith & Mark Williams 5 & 3 |
| 1997-10: Foursomes: Bill Lamarra & Mark Williams d. AC Shoop & Jamie Grace 5 & 4 |
| 1997-12: Pairs: Mark Williams d. Ron George Sr. 5 & 3 |
| 1996-4: FourBall: Jon DeAngelis & Jamie Grace d. Bob Ligon & Mark Williams 1 up |
| 1996-8: Foursomes: Frank George & AC Shoop d. Mark Williams & Mark Smith 2 up |
| 1996-11: Pairs: Mark Williams (+5) d. Jon DeAngelis 4 & 3 |
| 1995-3: FourBall: Steve Shoop & Jon DeAngelis d. Charlie Shoop & Mark Williams 1 up |
| 1995-4: Foursomes: Dennis Hackett & Tom Bres d. Mark Williams & Ron George 2 & 1 |
| 1995-9: Pairs: Jon DeAngelis d. Mark Williams (+1) 7 & 6 |