Top-ranked Serra scored the game's only run on a first-pitch home run by Ian Josephson and then rode the arms of Richie Calderon and David Minton to the 1-0 win over St. Ignatius Prep.

Games Wednesday Hillsdale 5 Burlingame 0 Sequoia 10 The King's Academy 9 Sacred Heart Prep 5 Capuchino 2

The top batting averages on the Peninsula.

Games Tuesday Mills 5 Aragon 1 Menlo School 2 El Camino 0 Half Moon Bay 14 San Mateo 8 Valley Christian 3 Mitty 0 Saint Francis 8 Riordan 2 Bellarmine 4 Sacred Heart Cathedral 3 Serra 1 St. Ignatius Prep 0 South San Francisco 9 Harker 1

Serra retained its No. 1 ranking after beating St. Ignatius Prep on Saturday, but the Wildcats leapfrogged Saint Francis to jump to No. 2.

Top-ranked Serra bounced back from Friday's loss to Valley Christian to beat St. Ignatius Prep on Saturday in a game that featured two bat flips and a flip of the glove.

It was a day of upsets in the WCAL. Serra and Saint Francis both lost, while St. Ignatius Prep took care of business and now looks to a Saturday game with the host Padres.

Burlingame 3 Lowell 2 Palo Alto 15 Carlmont 13 Sacred Heart Prep 3 Woodside 2 Mountain View 4 Aragon 0 Santa Cruz 13 Half Moon Bay 10 Hayward 4 San Mateo 0 Valley Christian 10 Mitty 1 Serra 9 Saint Ignatius Prep. 6 Saint Francis 1 Riordan 0 Bellarmine 6