The 2026 ADCC World Championship is just a month away, with the world's top submission grapplers preparing to compete for one of the sport's most prestigious titles. The tournament returns Sept. 12-13 in Kraków, Poland.
Among the divisions to watch is -66kg, a weight class that has consistently showcased elite technique, speed and some of the biggest stars in no-gi grappling.
- Subscribe To FloGrappling To Watch The 2026 ADCC World Championship
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Over the years, the division has featured dominant champions, memorable title runs and breakthrough performances that have helped shape ADCC history.
Before a new champion is crowned in 2026, here's a look back at every athlete who has won the ADCC World Championship at -66kg since the tournament began in 1998.
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Every -66 KG Champion In ADCC World Championship History
- 2024 – Diogo Reis
- 2022 – Diogo Reis
- 2019 – Augusto Mendes
- 2017 – Rubens Charles
- 2015 – Rubens Charles
- 2013 – Rubens Charles
- 2011 – Rafael Mendes
- 2009 – Rafael Mendes
- 2007 – Rani Yahya
- 2005 – Leo Vieira
- 2003 – Leo Vieira
- 2001 – Royler Gracie
- 2000 – Royler Gracie
- 1999 – Royler Gracie
- 1998 – Alexandre Soca
When Is The 2026 ADCC World Championship?
All the info you need to know about the 2026 ADCC World Championship broadcast live on FloGrappling.
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