The Biggest Playoff Rivalries in WNBA History

Counted straight from the playoff series archive: these franchise pairs have met the most in the postseason.

Minnesota Lynx vs Phoenix Mercury — 8 series (6–2)

• 2025 Semifinals (3-1)
• 2024 First Round (2-0)
• 2020 Second Round (1-0)
• 2016 Semifinals (3-0)
• 2015 Semifinals (2-0)
• 2014 Semifinals (2-1)
• 2013 Semifinals (2-0)
• 2011 Semifinals (2-0)

Los Angeles Sparks vs Seattle Storm — 6 series (5–1)

• 2019 Second Round (1-0)
• 2010 First Round (2-0)
• 2009 First Round (2-1)
• 2008 First Round (2-1)
• 2006 First Round (2-1)
• 2002 First Round (2-0)

Los Angeles Sparks vs Minnesota Lynx — 6 series (3–3)

• 2018 First Round (1-0)
• 2017 Finals (3-2)
• 2016 Finals (3-2)
• 2015 First Round (2-1)
• 2012 Semifinals (2-0)
• 2003 First Round (2-1)

Phoenix Mercury vs Seattle Storm — 6 series (4–2)

• 2021 Second Round (1-0)
• 2018 Semifinals (3-2)
• 2017 First Round (1-0)
• 2011 First Round (2-1)
• 2010 Semifinals (2-0)
• 2007 First Round (2-0)

Las Vegas Aces vs Phoenix Mercury — 6 series (2–4)

• 2025 Finals (4-0)
• 2022 First Round (2-0)
• 2021 Semifinals (3-2)
• 2010 First Round (2-0)
• 2009 First Round (2-1)
• 2007 Semifinals (2-0)