| # | City | Winner | Runner-up | Ratio BWW (Players) |
Winner LLTL | Runner-up LLTL | |
|---|---|---|---|---|---|---|---|
| 1990 |  Washington DC | outdoor / dur | Andre Agassi |  Jim Grabb | |||
| 1991 | Washington DC | outdoor / dur | Andre Agassi | Petr Korda | |||
| 1995 | Washington DC | outdoor / dur | Andre Agassi | Stefan Edberg | |||
| 1996 | Washington DC | outdoor / dur | Michael Chang | Wayne Ferreira | |||
| 1997 | Washington DC | outdoor / dur | Michael Chang | Petr Korda | |||
| 1998 | Washington DC | outdoor / dur | Andre Agassi | Scott Draper | |||
| 1999 | Washington DC | outdoor / dur | Andre Agassi |  Yevgeny Kafelnikov | |||
| 2000 | Washington DC | outdoor / dur | Alex Corretja | Andre Agassi | |||
| 2001 | Washington DC | outdoor / dur | Andy Roddick | Sjeng Schalken | |||
| 2002 | Washington DC | outdoor / dur | James Blake | Paradorn Srichaphan | |||
| 2003 | Washington DC | outdoor / dur | Tim Henman |  Fernando Gonzalez | |||
| 2004 | Washington DC | outdoor / dur |  Lleyton Hewitt |  Gilles Muller | |||
| 2005 | Washington DC | outdoor / dur | Andy Roddick | James Blake | |||
| 2006 | Washington DC | outdoor / dur |  Arnaud Clement |  Andy Murray | |||
| 2007 | Washington DC | outdoor / dur | Andy Roddick | John Isner | |||
| 2008 | Washington DC | outdoor / dur |  Juan Martin Del Potro |  Viktor Troicki | |||
| 2009 | Washington DC | outdoor / dur | Juan Martin Del Potro | Andy Roddick | |||
| 2010 | Washington DC | outdoor / dur | David Nalbandian |  Marcos Baghdatis | |||
| 2011 | Washington DC | outdoor / dur |  Radek Stepanek | Gael Monfils | |||
| 2012 | Washington DC | outdoor / dur |  Alexandr Dolgopolov |  Tommy Haas | |||
| 2013 | Washington DC | outdoor / dur | Juan Martin Del Potro | John Isner | |||
| 2014 | Washington DC | outdoor / dur |  Milos Raonic | Vasek Pospisil | |||
| 2015 | Washington DC | outdoor / dur |  Kei Nishikori | John Isner | |||
| 2016 | Washington DC | outdoor / dur | Gael Monfils |  Ivo Karlovic | 68.1% (21) | babass | huss |
| 2017 | Washington DC | outdoor / dur | Alexander Zverev |  Kevin Anderson | |||
| 2018 | Washington DC | outdoor / dur | Alexander Zverev | Alex De Minaur | 55.3% (19) | tenedab |  latizada |
| 2019 | Washington DC | outdoor / dur | Nick Kyrgios | Daniil Medvedev | 57.4% (30) | BBZ |  Panatta |
| 2021 | Washington DC | outdoor / dur | Jannik Sinner | Mackenzie McDonald | 46.8% (44) |  CocoJumbo | JSPAD95 |
| 2022 | Washington DC | outdoor / dur | Nick Kyrgios | Yoshihito Nishioka | 42.6% (40) |  HTS | EvilScootus |
| 2023 | Washington DC | outdoor / dur | Daniel Evans |  Tallon Griekspoor | 61.7% (27) | MaxlaMenace |  Zedon57 |
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