Williamstown Colts opener Will Phillips made 177 to take the Colts (5-243) to a five-wicket win over West Newport (238) in the WDCA A turf at Loft Reserve on Saturday.
The Colts have stormed into the top two at the expense of Gellibrand, who lost a top-of-table tussle with Grand United.
Meanwhile, Jack Dart made 88 to lead Williamstown Imperials to a 57-run victory over Melton South.