His representative sevens career started in 1989 when he played for Fiji at the Hong Kong tournament. Serevi also played in the 1993, 1997, 2001, and 2005 Rugby World Cup Sevens, winning the World Cup with Fiji in 1997 and 2005. He won silver at the Commonwealth Games in 1998 and 2002, and captured bronze in 2006. Serevi played in the International Rugby Board Sevens Series since its creation in 1999. In 2005 after winning the 2005 Rugby World Cup Sevens Serevi was appointed player-coach of the Fiji Sevens national team. He led Fiji to the 2005–06 World Sevens Series victory – the first time the series was won by a team other than New Zealand.