Singles 16-
| Year | Boys | Girls |
|---|
| 2024 | Nathan Rykhus (Calif.) | Aanshi Thakur (Calif.) |
| 2023 | Eshan Ali (Calif.) | Sonya Shetty (Calif.) |
| 2022 | Nikhil Prasad (Calif.) | Naomi Ros (Texas) |
| 2021 | Nikhil Prasad (Calif.) | Naomi Ros (Texas) |
| 2020 | Cancelled due to COVID-19 | Cancelled due to COVID-19 |
| 2019 | Antonio Rojas (Calif.) | Annie Roberts (Oregon) |
| 2018 | Sahil Thakur (Calif.) | Annie Roberts (Oregon) |
| 2017 | Akul Ramayami (New York) | Briana Jacquet (Arizona) |
| 2016 | Jordan Barth (Minnesota) | Ingrid Robledo (Calif.) |
| 2015 | Jordan Barth (Minnesota) | Erika Manilla (Colorado) |
| 2014 | Mauro Rojas (Calif.) | Jordan Cooperrider (Florida) |
| 2013 | Jake Birnel (Washington) | Kaitlyn Simmons (Maryland) |
| 2012 | Adam Manilla (Colorado) | Rebecca Nielsen (Calif.) |
| 2011 | Adam Manilla (Colorado) | Kelani Bailey (Virginia) |
| 2010 | Marco Rojas (Calif.) | Kelani Bailey (Virginia) |
| 2001 | Marco Rojas (Calif.) | Aubrey O'Brien (Calif.) |
| 2008 | Taylor Knoth (Oregon) | Aubrey O'Brien (Calif.) |
| 2007 | Jose Rojas (Calif.) | Sheryl Lotts |
| 2006 | Jose Rojas (Calif.) | Sharon Jackson (Indiana) |
| 2005 | Ismael Aldana | Kara Mazur |
| 2004 | Zachary Apperson (Ohio) | Ashley Willhite (Oregon) |
| 2003 | Charlie Pratt (Oregon) | Elise Wilson (Conn.) |
| 2002 | Dan Sheppick (Oregon) | Adrienne Fisher (Ohio) |
| 2001 | Steven Klaiman (Texas) | Adrienne Fisher (Ohio) |
| 2000 | Jack Huczek (Michigan) | Crystal Winfrey (Ohio) |
| 1999 | Jack Huczek (Michigan) | Kristen Walsh (Utah) |
| 1998 | Shane Vanderson (Oregon) | Krystal Csuk (Illinois) |
| 1997 | Ryan Staten (Kansas) | Brooke Crawford (Oregon) |
| 1996 | Rocky Carson (Calif.) | Sara Borland (Iowa) |
| 1995 | Rocky Carson (Calif.) | Vanessa Tulao (Tenn.) |
| 1994 | Eric Storey (Indiana) | Sadie Gross (South Dakota) |
| 1993 | David Hamilton (Ohio) | Shannon Feaster (D.C.) |
| 1992 | Shane Wood (Mass.) | Tammy Brockbank (Idaho) |
| 1991 | Jason Mannino (New York) | Amber Frisch (Texas) |
| 1990 | Sudsy Monchik (New York) | Jenny Spangenberg (Calif.) |
| 1989 | John Ellis (Calif.) | Jenny Spangenberg (Calif.) |
| 1988 | John Ellis (Calif.) | Heather Dunn (Mass.) |
| 1987 | Joey Paraiso (Calif.) | Timi Dodson |
| 1986 | Tim Doyle | Tanya Spangler |
| 1985 | Scott Richbourg (Florida) | Claudia McCarthy (Florida) |
| 1984 | Mike Lowe | Elaine Mardas |
| 1983 | Cliff Swain | Michelle Morrow |
| 1982 | Jeff Mulligan | Brenda Young |
| 1981 | Lance Lacour | Lynn Wojcik |
| 1980 | Gerry Price | Stacy Fletcher |
| 1979 | Mike Levine | Liz Alvarado |
| 1978 | John Egerman | Linda Hogan |