injury sidelines philippoussis mark philippoussis withdrew from the sydney international tennis tournament as expected on sunday after suffering a groin injury during the hopman cup.  his participation in the australian open  which begins on 17 january in melbourne  also remains in doubt. defending women s champion justine henin-hardenne is also out of the sydney event because of a knee injury. in the only main draw men s or women s singles match on sunday  nathalie dechy beat american lisa raymond 7-5 6-3. number one men s seed lleyton hewitt begins his quest for a fourth sydney title on tuesday when he plays karol beck. lindsay davenport  top seed in the women s draw  has been handed a first-round bye and plays france s dechy in the second round on tuesday.