Bree, Belgium - Former world women's tennis number one Kim Clijsters announced Thursday her return to the WTA circuit after two years away, media in her homeland of Belgium reported.

"My hunger has come back through training," the 25-year-old told journalists in the north-eastern Belgian town of Bree, Belgian broadcaster VRT reported.

Clijsters, crowned world number one in August 2003 and winner of the US Open in 2005, retired from the professional game in May 2007 to marry and raise a child, Jada, now 13 months old.