石井慧
Filho faced Denis Kang on July 17, 2010, for the Australian-based promotion Impact Fighting Championships. They fought to a draw. In what came as a surprise decision to many, Filho was invited to participate in the ADCC submission grappling championship in Nottingham, England. Filho withdrew prior to the event due to injury. Paulo fought Satoshi Ishii on September 14, 2011. The bout was ruled a draw.