Top 100 Single Round Records for Lowest Adjusted Score
| Date | Course | Record Holder | Score | Tournament |
| 05/16/2010 | Olde Stonewall | Michael Riba | 77 | GI4 |
| 05/06/2012 | Architects Club | Chris Grove | 77 | GI6 |
| 05/16/2010 | Olde Stonewall | Chris Grove | 78 | GI4 |
| 05/31/2009 | Speidel Course - Palmer | Neil Schoenberg | 79 | GI3 |
| 03/25/2011 | Deerfield | Peter Vinch | 80 | GI5 |
| 05/20/2017 | Makefield Highlands | Greg Picarello | 80 | GI11 |
| 05/21/2017 | Glen Mills - Whites | Chris Grove | 80 | GI11 |
| 06/02/2018 | Atlantic City Country Club | Robert Smith III | 80 | GI12 |
| 05/30/2009 | Speidel Course - Jones | Chris Grove | 81 | GI3 |
| 05/06/2012 | Architects Club | Neil Schoenberg | 81 | GI6 |
| 05/05/2012 | Jack Frost National | Chris Grove | 81 | GI6 |
| 05/06/2012 | Architects Club | Peter Vinch | 81 | GI6 |
| 05/31/2015 | Twisted Dune | Peter Vinch | 81 | GI9 |
| 05/22/2016 | Wild Turkey | Greg Picarello | 81 | GI10 |
| 04/13/2007 | Lansbrook | Neil Schoenberg | 82 | GI1 |
| 05/17/2008 | Seaview Resort - Pines | Jon Riba | 82 | GI2 |
| 05/16/2008 | Seaview Resort - Bay | Jon Riba | 82 | GI2 |
| 03/26/2011 | White Clay Creek | Peter Vinch | 82 | GI5 |
| 05/31/2014 | Atunyote | Chris Grove | 82 | GI8 |
| 05/26/2023 | Golf Club of Dublin | Robert Smith III | 82 | GI15 |
| 05/30/2009 | Speidel Course - Jones | Jake Galbraith | 83 | GI3 |
| 05/15/2010 | Quicksilver | Chris Grove | 83 | GI4 |
| 05/16/2010 | Olde Stonewall | Robert Smith III | 83 | GI4 |
| 03/25/2011 | Deerfield | Jon Riba | 83 | GI5 |
| 05/21/2017 | Glen Mills - Whites | Robert Smith III | 83 | GI11 |
| 06/02/2018 | Atlantic City Country Club | Peter Vinch | 83 | GI12 |
| 04/14/2007 | The Preserve Golf Club | Neil Schoenberg | 84 | GI1 |
| 05/31/2009 | Speidel Course - Palmer | Robert Smith III | 84 | GI3 |
| 05/31/2009 | Speidel Course - Palmer | Peter Vinch | 84 | GI3 |
| 03/25/2011 | Deerfield | Chris Grove | 84 | GI5 |
| 05/20/2016 | Makefield Highlands | Greg Picarello | 84 | GI10 |
| 05/22/2016 | Wild Turkey | Neil Schoenberg | 84 | GI10 |
| 05/20/2016 | Makefield Highlands | Neil Schoenberg | 84 | GI10 |
| 05/21/2017 | Glen Mills - Whites | Greg Picarello | 84 | GI11 |
| 05/20/2017 | Makefield Highlands | Neil Schoenberg | 84 | GI11 |
| 05/21/2017 | Glen Mills - Whites | Peter Vinch | 84 | GI11 |
| 06/02/2018 | Atlantic City Country Club | Chris Grove | 84 | GI12 |
| 06/01/2019 | Seaview Resort - Bay | Chris Grove | 84 | GI13 |
| 05/17/2008 | Seaview Resort - Pines | Peter Vinch | 85 | GI2 |
| 05/17/2008 | Seaview Resort - Pines | Greg Picarello | 85 | GI2 |
| 05/17/2008 | Seaview Resort - Pines | Neil Schoenberg | 85 | GI2 |
| 05/15/2010 | Quicksilver | Michael Riba | 85 | GI4 |
| 05/16/2010 | Olde Stonewall | Peter Vinch | 85 | GI4 |
| 05/16/2010 | Olde Stonewall | Neil Schoenberg | 85 | GI4 |
| 03/26/2011 | White Clay Creek | Chris Grove | 85 | GI5 |
| 06/23/2013 | Pinehurst No.2 | Peter Vinch | 85 | GI7 |
| 05/31/2014 | Atunyote | Greg Picarello | 85 | GI8 |
| 05/30/2015 | Ballamor | Greg Picarello | 85 | GI9 |
| 05/22/2016 | Wild Turkey | Peter Vinch | 85 | GI10 |
| 05/20/2017 | Makefield Highlands | Chris Grove | 85 | GI11 |
| 06/01/2019 | Seaview Resort - Bay | Robert Smith III | 85 | GI13 |
| 05/14/2022 | Vineyard National | Peter Vinch | 85 | GI14 |
| 05/16/2008 | Seaview Resort - Bay | Greg Picarello | 86 | GI2 |
| 05/31/2009 | Speidel Course - Palmer | Chris Grove | 86 | GI3 |
| 05/31/2009 | Speidel Course - Palmer | Jake Galbraith | 86 | GI3 |
| 03/26/2011 | White Clay Creek | Neil Schoenberg | 86 | GI5 |
| 03/25/2011 | Deerfield | Neil Schoenberg | 86 | GI5 |
| 03/26/2011 | White Clay Creek | Jon Riba | 86 | GI5 |
| 05/21/2016 | Ballyowen | Neil Schoenberg | 86 | GI10 |
| 05/20/2017 | Makefield Highlands | Peter Vinch | 86 | GI11 |
| 06/02/2019 | Harbor Pines | Peter Vinch | 86 | GI13 |
| 05/14/2022 | Vineyard National | Chris Grove | 86 | GI14 |
| 05/27/2023 | The Virtues | Robert Smith III | 86 | GI15 |
| 04/15/2007 | TPC Tampa | Robert Smith III | 87 | GI1 |
| 04/14/2007 | The Preserve Golf Club | Greg Picarello | 87 | GI1 |
| 05/16/2008 | Seaview Resort - Bay | Robert Smith III | 87 | GI2 |
| 05/16/2008 | Seaview Resort - Bay | Peter Vinch | 87 | GI2 |
| 05/14/2010 | Grand View | Michael Riba | 87 | GI4 |
| 05/14/2010 | Grand View | Peter Vinch | 87 | GI4 |
| 05/14/2010 | Grand View | Neil Schoenberg | 87 | GI4 |
| 05/05/2012 | Jack Frost National | Peter Vinch | 87 | GI6 |
| 05/30/2015 | Ballamor | Chris Grove | 87 | GI9 |
| 06/02/2018 | Atlantic City Country Club | Greg Picarello | 87 | GI12 |
| 05/26/2023 | Golf Club of Dublin | Neil Schoenberg | 87 | GI15 |
| 05/27/2023 | The Virtues | Peter Vinch | 87 | GI15 |
| 05/16/2008 | Seaview Resort - Bay | Neil Schoenberg | 88 | GI2 |
| 05/14/2010 | Grand View | Chris Grove | 88 | GI4 |
| 06/22/2013 | Pinehurst No.4 | Peter Vinch | 88 | GI7 |
| 05/31/2015 | Twisted Dune | Greg Picarello | 88 | GI9 |
| 05/21/2016 | Ballyowen | Peter Vinch | 88 | GI10 |
| 05/20/2017 | Makefield Highlands | Robert Smith III | 88 | GI11 |
| 06/02/2018 | Atlantic City Country Club | Neil Schoenberg | 88 | GI12 |
| 04/14/2007 | The Preserve Golf Club | Keith Arner | 89 | GI1 |
| 04/13/2007 | Eagles Golf Club | Keith Arner | 89 | GI1 |
| 04/13/2007 | Eagles Golf Club | Robert Smith III | 89 | GI1 |
| 04/13/2007 | Eagles Golf Club | Evan Newman | 89 | GI1 |
| 04/13/2007 | Lansbrook | Chris Grove | 89 | GI1 |
| 04/13/2007 | Lansbrook | Greg Picarello | 89 | GI1 |
| 05/17/2008 | Seaview Resort - Pines | Michael Riba | 89 | GI2 |
| 05/15/2010 | Quicksilver | Robert Smith III | 89 | GI4 |
| 03/26/2011 | White Clay Creek | Michael Riba | 89 | GI5 |
| 05/31/2014 | Atunyote | Neil Schoenberg | 89 | GI8 |
| 05/31/2014 | Atunyote | Peter Vinch | 89 | GI8 |
| 05/20/2016 | Makefield Highlands | Peter Vinch | 89 | GI10 |
| 06/01/2019 | Seaview Resort - Bay | Greg Picarello | 89 | GI13 |
| 06/01/2019 | Seaview Resort - Bay | Peter Vinch | 89 | GI13 |
| 04/15/2007 | TPC Tampa | Keith Arner | 90 | GI1 |
| 05/30/2009 | Speidel Course - Jones | Greg Picarello | 90 | GI3 |
| 05/14/2010 | Grand View | Greg Picarello | 90 | GI4 |
| 05/05/2012 | Jack Frost National | Greg Picarello | 90 | GI6 |