@ Diamondbacks
42-48
@ Nationals
41-54
Playoffs
0-0
VS EXPECTED
Diamondbacks -12.0
Avg Runs
4.3-4.5
Most Recent Winner
Diamondbacks 5-1
Head-To-Head Margin (Max Last 150 Matches)
| Date | Matchup | Result | Winner | Model Projection | Stage |
|---|---|---|---|---|---|
| Jun 7, 2026 | 1–5 | Arizona Diamondbacks +4 | Arizona Diamondbacks +0.7 | Regular | |
| Jun 6, 2026 | 6–1 | Washington Nationals +5 | Arizona Diamondbacks +0.8 | Regular | |
| Jun 5, 2026 | 14–1 | Washington Nationals +13 | Arizona Diamondbacks +0.8 | Regular | |
| Jun 1, 2025 | 1–3 | Arizona Diamondbacks +2 | Arizona Diamondbacks +0.8 | Regular | |
| May 31, 2025 | 11–7 | Washington Nationals +4 | Arizona Diamondbacks +0.8 | Regular | |
| May 30, 2025 | 9–7 | Washington Nationals +2 | Arizona Diamondbacks +0.8 | Regular | |
| Apr 6, 2025 | 4–5 | Washington Nationals +1 | Arizona Diamondbacks +0.5 | Regular | |
| Apr 5, 2025 | 3–4 | Washington Nationals +1 | Arizona Diamondbacks +0.6 | Regular | |
| Apr 4, 2025 | 6–4 | Arizona Diamondbacks +2 | Arizona Diamondbacks +0.6 | Regular | |
| Jul 31, 2024 | 4–5 | Arizona Diamondbacks +1 | Arizona Diamondbacks +0.8 | Regular | |
| Jul 30, 2024 | 0–17 | Arizona Diamondbacks +17 | Arizona Diamondbacks +0.8 | Regular | |
| Jul 29, 2024 | 8–9 | Arizona Diamondbacks +1 | Arizona Diamondbacks +0.8 | Regular | |
| Jun 20, 2024 | 5–2 | Arizona Diamondbacks +3 | Arizona Diamondbacks +0.1 | Regular | |
| Jun 19, 2024 | 1–3 | Washington Nationals +2 | Arizona Diamondbacks +0.1 | Regular | |
| Jun 18, 2024 | 5–0 | Arizona Diamondbacks +5 | Arizona Diamondbacks +0.1 | Regular | |
| Jun 22, 2023 | 5–3 | Arizona Diamondbacks +2 | Arizona Diamondbacks +0.5 | Regular | |
| Jun 7, 2023 | 6–2 | Arizona Diamondbacks +4 | Arizona Diamondbacks +0.4 | Regular | |
| Jun 6, 2023 | 10–5 | Arizona Diamondbacks +5 | Arizona Diamondbacks +0.4 | Regular | |
| May 7, 2023 | 9–8 | Washington Nationals +1 | Arizona Diamondbacks +0.8 | Regular | |
| May 6, 2023 | 7–8 | Arizona Diamondbacks +1 | Arizona Diamondbacks +0.8 | Regular | |
| May 5, 2023 | 1–3 | Arizona Diamondbacks +2 | Arizona Diamondbacks +0.8 | Regular | |
| Jul 24, 2022 | 4–3 | Washington Nationals +1 | Arizona Diamondbacks +0.4 | Regular | |
| Jul 23, 2022 | 2–7 | Arizona Diamondbacks +5 | Arizona Diamondbacks +0.4 | Regular | |
| Jul 22, 2022 | 1–10 | Arizona Diamondbacks +9 | Arizona Diamondbacks +0.4 | Regular | |
| Apr 21, 2022 | 4–3 | Arizona Diamondbacks +1 | Washington Nationals +0.6 | Regular | |
| Apr 20, 2022 | 11–2 | Arizona Diamondbacks +9 | Washington Nationals +0.6 | Regular | |
| Apr 19, 2022 | 1–6 | Washington Nationals +5 | Washington Nationals +0.5 | Regular | |
| Apr 19, 2022 | 0–1 | Washington Nationals +1 | Washington Nationals +0.6 | Regular | |
| May 16, 2021 | 3–0 | Washington Nationals +3 | Washington Nationals +0.0 | Regular | |
| May 15, 2021 | 4–11 | Arizona Diamondbacks +7 | Washington Nationals +0.1 | Regular | |
| May 14, 2021 | 17–2 | Washington Nationals +15 | Washington Nationals +0.0 | Regular | |
| Apr 18, 2021 | 5–2 | Arizona Diamondbacks +3 | Washington Nationals +0.6 | Regular | |
| Apr 17, 2021 | 2–6 | Washington Nationals +4 | Washington Nationals +0.5 | Regular | |
| Apr 16, 2021 | 0–1 | Washington Nationals +1 | Washington Nationals +0.5 | Regular | |
| Apr 15, 2021 | 11–6 | Arizona Diamondbacks +5 | Washington Nationals +0.6 | Regular | |
| Aug 4, 2019 | 5–7 | Arizona Diamondbacks +2 | Arizona Diamondbacks +0.0 | Regular | |
| Aug 3, 2019 | 7–18 | Arizona Diamondbacks +11 | Washington Nationals +0.0 | Regular | |
| Aug 2, 2019 | 3–0 | Washington Nationals +3 | Arizona Diamondbacks +0.0 | Regular | |
| Jun 16, 2019 | 5–15 | Washington Nationals +10 | Washington Nationals +0.1 | Regular | |
| Jun 15, 2019 | 10–3 | Arizona Diamondbacks +7 | Washington Nationals +0.2 | Regular | |
| Jun 14, 2019 | 3–7 | Washington Nationals +4 | Washington Nationals +0.1 | Regular | |
| Jun 13, 2019 | 5–0 | Arizona Diamondbacks +5 | Washington Nationals +0.2 | Regular | |
| May 13, 2018 | 6–4 | Washington Nationals +2 | Arizona Diamondbacks +0.0 | Regular | |
| May 12, 2018 | 2–1 | Washington Nationals +1 | Arizona Diamondbacks +0.1 | Regular | |
| May 11, 2018 | 3–1 | Washington Nationals +2 | Arizona Diamondbacks +0.1 | Regular | |
| May 10, 2018 | 2–1 | Washington Nationals +1 | Arizona Diamondbacks +0.1 | Regular | |
| Apr 29, 2018 | 1–3 | Washington Nationals +2 | Washington Nationals +0.2 | Regular | |
| Apr 28, 2018 | 4–3 | Arizona Diamondbacks +1 | Washington Nationals +0.3 | Regular | |
| Apr 27, 2018 | 5–4 | Arizona Diamondbacks +1 | Washington Nationals +0.3 | Regular | |
| Jul 23, 2017 | 6–2 | Washington Nationals +4 | Washington Nationals +0.4 | Regular | |
| Jul 22, 2017 | 4–3 | Washington Nationals +1 | Washington Nationals +0.3 | Regular | |
| Jul 21, 2017 | 5–6 | Arizona Diamondbacks +1 | Washington Nationals +0.4 | Regular | |
| May 4, 2017 | 2–4 | Washington Nationals +2 | Washington Nationals +0.9 | Regular | |
| May 3, 2017 | 1–2 | Washington Nationals +1 | Washington Nationals +0.9 | Regular | |
| May 2, 2017 | 6–3 | Arizona Diamondbacks +3 | Washington Nationals +0.9 | Regular | |
| Sep 29, 2016 | 3–5 | Washington Nationals +2 | Washington Nationals +1.1 | Regular | |
| Sep 28, 2016 | 3–0 | Arizona Diamondbacks +3 | Washington Nationals +1.2 | Regular | |
| Sep 27, 2016 | 2–4 | Washington Nationals +2 | Washington Nationals +1.2 | Regular | |
| Sep 26, 2016 | 14–4 | Arizona Diamondbacks +10 | Washington Nationals +1.2 | Regular | |
| Aug 3, 2016 | 8–3 | Washington Nationals +5 | Washington Nationals +0.7 | Regular | |
| Aug 2, 2016 | 10–4 | Washington Nationals +6 | Washington Nationals +0.6 | Regular | |
| Aug 1, 2016 | 14–1 | Washington Nationals +13 | Washington Nationals +0.6 | Regular | |
| Aug 6, 2015 | 3–8 | Washington Nationals +5 | Washington Nationals +0.9 | Regular | |
| Aug 5, 2015 | 11–4 | Arizona Diamondbacks +7 | Washington Nationals +0.9 | Regular | |
| Aug 4, 2015 | 4–5 | Washington Nationals +1 | Washington Nationals +0.9 | Regular | |
| Aug 3, 2015 | 6–4 | Arizona Diamondbacks +2 | Washington Nationals +0.9 | Regular | |
| May 13, 2015 | 9–6 | Washington Nationals +3 | Washington Nationals +0.7 | Regular | |
| May 12, 2015 | 6–14 | Arizona Diamondbacks +8 | Washington Nationals +0.7 | Regular | |
| May 11, 2015 | 11–1 | Washington Nationals +10 | Washington Nationals +0.7 | Regular | |
| Aug 21, 2014 | 0–1 | Washington Nationals +1 | Washington Nationals +1.0 | Regular | |
| Aug 20, 2014 | 2–3 | Washington Nationals +1 | Washington Nationals +1.0 | Regular | |
| Aug 19, 2014 | 1–8 | Washington Nationals +7 | Washington Nationals +0.9 | Regular | |
| Aug 18, 2014 | 4–5 | Washington Nationals +1 | Washington Nationals +0.9 | Regular | |
| May 14, 2014 | 5–1 | Washington Nationals +4 | Washington Nationals +0.2 | Regular | |
| May 13, 2014 | 1–3 | Arizona Diamondbacks +2 | Washington Nationals +0.3 | Regular | |
| May 12, 2014 | 6–5 | Washington Nationals +1 | Washington Nationals +0.2 | Regular | |
| Sep 29, 2013 | 2–3 | Arizona Diamondbacks +1 | Washington Nationals +0.1 | Regular | |
| Sep 28, 2013 | 2–0 | Washington Nationals +2 | Washington Nationals +0.1 | Regular | |
| Sep 27, 2013 | 8–4 | Washington Nationals +4 | Washington Nationals +0.0 | Regular | |
| Jun 27, 2013 | 3–2 | Arizona Diamondbacks +1 | Washington Nationals +0.4 | Regular | |
| Jun 26, 2013 | 2–3 | Washington Nationals +1 | Washington Nationals +0.3 | Regular | |
| Jun 25, 2013 | 5–7 | Washington Nationals +2 | Washington Nationals +0.3 | Regular | |
| Aug 12, 2012 | 4–7 | Arizona Diamondbacks +3 | Washington Nationals +0.0 | Regular | |
| Aug 11, 2012 | 6–5 | Washington Nationals +1 | Arizona Diamondbacks +0.0 | Regular | |
| Aug 10, 2012 | 9–1 | Washington Nationals +8 | Arizona Diamondbacks +0.1 | Regular | |
| May 3, 2012 | 1–2 | Washington Nationals +1 | Arizona Diamondbacks +0.1 | Regular | |
| May 2, 2012 | 4–5 | Washington Nationals +1 | Arizona Diamondbacks +0.1 | Regular | |
| May 1, 2012 | 5–1 | Arizona Diamondbacks +4 | Arizona Diamondbacks +0.1 | Regular | |
| Aug 25, 2011 | 8–1 | Arizona Diamondbacks +7 | Arizona Diamondbacks +0.1 | Regular | |
| Aug 24, 2011 | 4–2 | Arizona Diamondbacks +2 | Arizona Diamondbacks +0.1 | Regular | |
| Aug 23, 2011 | 2–0 | Arizona Diamondbacks +2 | Arizona Diamondbacks +0.0 | Regular | |
| Aug 22, 2011 | 1–4 | Washington Nationals +3 | Arizona Diamondbacks +0.1 | Regular | |
| Jun 5, 2011 | 9–4 | Washington Nationals +5 | Arizona Diamondbacks +0.6 | Regular | |
| Jun 4, 2011 | 0–2 | Arizona Diamondbacks +2 | Arizona Diamondbacks +0.6 | Regular | |
| Jun 3, 2011 | 0–4 | Arizona Diamondbacks +4 | Arizona Diamondbacks +0.6 | Regular | |
| Jun 2, 2011 | 6–1 | Washington Nationals +5 | Arizona Diamondbacks +0.6 | Regular | |
| Aug 15, 2010 | 3–5 | Washington Nationals +2 | Arizona Diamondbacks +0.0 | Regular | |
| Aug 14, 2010 | 9–2 | Arizona Diamondbacks +7 | Washington Nationals +0.0 | Regular | |
| Aug 13, 2010 | 2–4 | Washington Nationals +2 | Arizona Diamondbacks +0.0 | Regular | |
| Aug 5, 2010 | 4–8 | Arizona Diamondbacks +4 | Arizona Diamondbacks +0.3 | Regular | |
| Aug 4, 2010 | 7–2 | Washington Nationals +5 | Arizona Diamondbacks +0.4 | Regular | |
| Aug 3, 2010 | 1–6 | Arizona Diamondbacks +5 | Arizona Diamondbacks +0.3 | Regular | |
| Aug 2, 2010 | 3–1 | Washington Nationals +2 | Arizona Diamondbacks +0.4 | Regular | |
| Aug 9, 2009 | 2–9 | Washington Nationals +7 | Arizona Diamondbacks +0.4 | Regular | |
| Aug 8, 2009 | 2–5 | Washington Nationals +3 | Arizona Diamondbacks +0.4 | Regular | |
| Aug 7, 2009 | 6–7 | Washington Nationals +1 | Arizona Diamondbacks +0.5 | Regular | |
| May 10, 2009 | 8–10 | Arizona Diamondbacks +2 | Arizona Diamondbacks +0.8 | Regular | |
| May 9, 2009 | 2–1 | Washington Nationals +1 | Arizona Diamondbacks +0.8 | Regular | |
| May 8, 2009 | 5–4 | Washington Nationals +1 | Arizona Diamondbacks +0.9 | Regular | |
| Jul 10, 2008 | 7–5 | Arizona Diamondbacks +2 | Arizona Diamondbacks +0.3 | Regular | |
| Jul 9, 2008 | 0–5 | Washington Nationals +5 | Arizona Diamondbacks +0.3 | Regular | |
| Jul 8, 2008 | 2–0 | Arizona Diamondbacks +2 | Arizona Diamondbacks +0.3 | Regular | |
| Jun 1, 2008 | 0–5 | Arizona Diamondbacks +5 | Arizona Diamondbacks +0.7 | Regular | |
| May 31, 2008 | 0–4 | Arizona Diamondbacks +4 | Arizona Diamondbacks +0.7 | Regular | |
| May 30, 2008 | 7–4 | Washington Nationals +3 | Arizona Diamondbacks +0.7 | Regular | |
| Aug 12, 2007 | 7–6 | Washington Nationals +1 | Arizona Diamondbacks +0.6 | Regular | |
| Aug 11, 2007 | 0–1 | Arizona Diamondbacks +1 | Arizona Diamondbacks +0.5 | Regular | |
| Aug 10, 2007 | 4–11 | Arizona Diamondbacks +7 | Arizona Diamondbacks +0.5 | Regular | |
| Apr 8, 2007 | 3–1 | Arizona Diamondbacks +2 | Washington Nationals +0.2 | Regular | |
| Apr 7, 2007 | 7–1 | Arizona Diamondbacks +6 | Washington Nationals +0.2 | Regular | |
| Apr 6, 2007 | 7–1 | Arizona Diamondbacks +6 | Washington Nationals +0.3 | Regular | |
| Apr 5, 2007 | 4–3 | Arizona Diamondbacks +1 | Washington Nationals +0.3 | Regular | |
| Sep 13, 2006 | 2–4 | Arizona Diamondbacks +2 | Arizona Diamondbacks +0.1 | Regular | |
| Sep 12, 2006 | 5–4 | Washington Nationals +1 | Arizona Diamondbacks +0.2 | Regular | |
| Sep 11, 2006 | 7–6 | Washington Nationals +1 | Arizona Diamondbacks +0.2 | Regular | |
| Sep 3, 2006 | 3–5 | Washington Nationals +2 | Washington Nationals +0.3 | Regular | |
| Sep 2, 2006 | 6–7 | Washington Nationals +1 | Washington Nationals +0.2 | Regular | |
| Sep 2, 2006 | 3–4 | Washington Nationals +1 | Washington Nationals +0.2 | Regular | |
| May 11, 2005 | 2–3 | Arizona Diamondbacks +1 | Washington Nationals +0.1 | Regular | |
| May 10, 2005 | 2–3 | Arizona Diamondbacks +1 | Washington Nationals +0.2 | Regular | |
| May 9, 2005 | 4–3 | Washington Nationals +1 | Washington Nationals +0.1 | Regular | |
| Apr 17, 2005 | 3–7 | Washington Nationals +4 | Washington Nationals +0.7 | Regular | |
| Apr 16, 2005 | 3–9 | Washington Nationals +6 | Washington Nationals +0.6 | Regular | |
| Apr 14, 2005 | 3–5 | Washington Nationals +2 | Washington Nationals +0.6 | Regular | |
| Aug 12, 2004 | 5–7 | Washington Nationals +2 | Washington Nationals +0.6 | Regular | |
| Aug 11, 2004 | 3–7 | Washington Nationals +4 | Washington Nationals +0.5 | Regular | |
| Aug 10, 2004 | 0–4 | Washington Nationals +4 | Washington Nationals +0.5 | Regular | |
| May 16, 2004 | 6–1 | Washington Nationals +5 | Arizona Diamondbacks +0.5 | Regular | |
| May 15, 2004 | 5–0 | Washington Nationals +5 | Arizona Diamondbacks +0.6 | Regular | |
| May 14, 2004 | 4–3 | Washington Nationals +1 | Arizona Diamondbacks +0.6 | Regular | |
| Aug 7, 2003 | 4–5 | Arizona Diamondbacks +1 | Arizona Diamondbacks +0.8 | Regular | |
| Aug 6, 2003 | 2–3 | Arizona Diamondbacks +1 | Arizona Diamondbacks +0.7 | Regular | |
| Aug 5, 2003 | 5–8 | Arizona Diamondbacks +3 | Arizona Diamondbacks +0.7 | Regular | |
| Apr 24, 2003 | 0–1 | Washington Nationals +1 | Arizona Diamondbacks +0.3 | Regular | |
| Apr 23, 2003 | 6–2 | Arizona Diamondbacks +4 | Arizona Diamondbacks +0.3 | Regular | |
| Apr 22, 2003 | 0–4 | Washington Nationals +4 | Arizona Diamondbacks +0.3 | Regular | |
| Aug 1, 2002 | 1–2 | Washington Nationals +1 | Arizona Diamondbacks +0.8 | Regular | |
| Jul 31, 2002 | 5–1 | Arizona Diamondbacks +4 | Arizona Diamondbacks +0.8 | Regular | |
| Jul 30, 2002 | 4–5 | Washington Nationals +1 | Arizona Diamondbacks +0.8 | Regular | |
| May 5, 2002 | 2–5 | Arizona Diamondbacks +3 | Arizona Diamondbacks +1.3 | Regular | |
| May 4, 2002 | 5–6 | Arizona Diamondbacks +1 | Arizona Diamondbacks +1.2 | Regular | |
| May 3, 2002 | 3–6 | Arizona Diamondbacks +3 | Arizona Diamondbacks +1.2 | Regular | |
| Aug 2, 2001 | 1–0 | Washington Nationals +1 | Arizona Diamondbacks +1.2 | Regular | |
| Aug 1, 2001 | 8–5 | Washington Nationals +3 | Arizona Diamondbacks +1.3 | Regular | |
| Jul 31, 2001 | 1–3 | Arizona Diamondbacks +2 | Arizona Diamondbacks +1.2 | Regular | |
| May 3, 2001 | 2–1 | Arizona Diamondbacks +1 | Arizona Diamondbacks +0.5 | Regular | |
| May 2, 2001 | 3–4 | Washington Nationals +1 | Arizona Diamondbacks +0.6 | Regular | |
| May 1, 2001 | 8–3 | Arizona Diamondbacks +5 | Arizona Diamondbacks +0.5 | Regular | |
| Aug 30, 2000 | 7–0 | Arizona Diamondbacks +7 | Arizona Diamondbacks +0.7 | Regular | |
| Aug 29, 2000 | 8–7 | Arizona Diamondbacks +1 | Arizona Diamondbacks +0.6 | Regular | |
| Aug 28, 2000 | 5–9 | Washington Nationals +4 | Arizona Diamondbacks +0.7 | Regular | |
| Aug 9, 2000 | 4–3 | Washington Nationals +1 | Arizona Diamondbacks +1.0 | Regular | |
| Aug 8, 2000 | 9–3 | Washington Nationals +6 | Arizona Diamondbacks +1.1 | Regular | |
| Aug 7, 2000 | 2–5 | Arizona Diamondbacks +3 | Arizona Diamondbacks +1.0 | Regular | |
| May 18, 2000 | 8–6 | Arizona Diamondbacks +2 | Arizona Diamondbacks +0.6 | Regular | |
| May 17, 2000 | 2–10 | Washington Nationals +8 | Arizona Diamondbacks +0.6 | Regular | |
| May 16, 2000 | 0–2 | Washington Nationals +2 | Arizona Diamondbacks +0.7 | Regular | |
| Sep 1, 1999 | 8–1 | Washington Nationals +7 | Arizona Diamondbacks +0.9 | Regular | |
| Aug 31, 1999 | 2–1 | Washington Nationals +1 | Arizona Diamondbacks +1.0 | Regular | |
| Aug 30, 1999 | 4–5 | Arizona Diamondbacks +1 | Arizona Diamondbacks +0.9 | Regular | |
| Jun 2, 1999 | 15–2 | Arizona Diamondbacks +13 | Arizona Diamondbacks +0.3 | Regular | |
| Jun 1, 1999 | 8–10 | Washington Nationals +2 | Arizona Diamondbacks +0.3 | Regular | |
| May 31, 1999 | 8–5 | Arizona Diamondbacks +3 | Arizona Diamondbacks +0.3 | Regular | |
| May 12, 1999 | 6–8 | Arizona Diamondbacks +2 | Arizona Diamondbacks +0.6 | Regular | |
| May 11, 1999 | 3–4 | Arizona Diamondbacks +1 | Arizona Diamondbacks +0.6 | Regular | |
| May 10, 1999 | 6–7 | Arizona Diamondbacks +1 | Arizona Diamondbacks +0.5 | Regular | |
| Aug 19, 1998 | 8–2 | Washington Nationals +6 | Arizona Diamondbacks +0.2 | Regular | |
| Aug 18, 1998 | 7–1 | Washington Nationals +6 | Arizona Diamondbacks +0.3 | Regular | |
| Aug 17, 1998 | 1–6 | Arizona Diamondbacks +5 | Arizona Diamondbacks +0.2 | Regular | |
| Aug 9, 1998 | 2–8 | Washington Nationals +6 | Washington Nationals +0.3 | Regular | |
| Aug 8, 1998 | 3–5 | Washington Nationals +2 | Washington Nationals +0.2 | Regular | |
| Aug 7, 1998 | 6–4 | Arizona Diamondbacks +2 | Washington Nationals +0.3 | Regular | |
| May 3, 1998 | 1–4 | Washington Nationals +3 | Washington Nationals +0.3 | Regular | |
| May 2, 1998 | 4–5 | Washington Nationals +1 | Washington Nationals +0.2 | Regular | |
| May 1, 1998 | 4–7 | Washington Nationals +3 | Washington Nationals +0.2 | Regular |