Second Grade collapsed against Bicton.
Chasing 183 for victory at Centenary Park, they fell from 2-104 to be all out for 130.
Karl Valentine made 72, more than half of the Crows’ total.
Fourth Grade went down to Bicton-Attadale in a close contest at Fremantle Park South, with Bicton making 164 to pass the Crows on 150.
Willetton was 8/56 at the end of the second innings.
Sixth-grade failed to defend 193 against Phoenix at Beeliar Reserve, with Phoenix making 7/237 to win the match.
One-Day Ds defeated Leeming Spartan at Centenary Park, making 7/240 batting first.
Kris Johnson made 87 to top-score for the home side.
The Crows bowled out Leeming for 192.
One-Day Fs made 4/261 against Kardinya Lakes at Woodford Park, with Travis Grigg making 107 and Dave Palumbo finishing unbeaten on 81. Kardinya scored 6/175 in reply.