Jordan Smith gave Palo Alto a 1-0 lead and provided the winner on a penalty kick as the Vikings remained unbeaten in their own Palo Alto Winter Classic with a 3-1 victory over Castilleja on Saturday. Sunny Lyu made it a 3-1 match with eight minutes left to play. Castilleja tied the match at 1 when Emily Mosbacher scored off a corner kick from Caitlin Colvin at the 52-minute mark.