A Southport Junior from an early age, he represented Queensland in the 2003 Under 18 Championships before being drafted in 2005 by Brisbane Lions via the Rookie list.   He played only one AFL game, before being delisted after a quad injury. In 2006, Ryswyk moved to South Australia and played for North Adelaide, playing 232 SANFL games including four South Australian representative games.  He is a Life Member of North Adelaide and SANFL.