The El Camino Real High softball team,...

The El Camino Real High softball team, defending City Section 4-A champion, opens the season today against Monroe, a 4-A semifinalist last season, at 2:30 p.m. at El Camino Real.

Other events involving teams from the region include:

Boys’ basketball: At 8 p.m., Southern Section Division III-A championship game at the Bren Events Center, UC Irvine, Harvard-Westlake vs. Morningside.

High school golf: At 1 p.m., Royal, Buena, Moorpark at Elkins Ranch GC; Bishop Diego, Newbury Park, Thousand Oaks at Los Robles GC; Rio Mesa vs. Camarillo at Las Posas CC; Saugus vs. Quartz Hill at Apple Valley CC; Canyon, Montclair Prep, Valencia at Vista Valencia GC; Antelope Valley vs. Burroughs at China Lake GC; Palmdale at Ridgecrest Burroughs. At 1:30 p.m., Rio Mesa vs. Camarillo at Las Posas CC. At 2 p.m., St. Bonaventure vs. Nordhoff at Soule Park GC. At 2:30 p.m, Burbank vs. Hoover at Scholl Canyon GC. At 3 p.m., Burroughs vs. Crescenta Valley at La Canada CC.

High school softball: At 2:30 p.m., Fairfax at Poly, University at Canoga Park, Hamilton at Granada Hills, Palisades at North Hollywood, Crenshaw at Sherman Oaks CES, Van Nuys at Taft, Reseda vs. Banning at Wilmington JC Complex, Verdugo Hills at Garfield, Chatsworth at Roosevelt. At 2:45 p.m., Kennedy at Grant. At 3 p.m., Fremont at Birmingham, Franklin at Cleveland.

Boys’ tennis: At 2:30 p.m., Fairfax at San Fernando, Los Angeles at Poly, L.A. CES vs. Sherman Oaks CES at Reseda, Reseda at Carson, North Hollywood at Chatsworth, Van Nuys at Cleveland, Sylmar at Kennedy, Grant at Taft, Verdugo Hills at Birmingham, Newbury Park at Rio Mesa. At 3 p.m., Simi Valley at Valencia. At 3:15 p.m., Canyon vs. Notre Dame at Valley College. At 3:30 p.m., Bishop Diego at Nordhoff.

Boys’ volleyball: At 2:30 p.m., Fairfax at Taft, Sherman Oaks CES at Canoga Park, Verdugo Hills at Sylmar, Kennedy at Poly. At 3:15 p.m., Crescenta Valley at San Gabriel. At 3:30 p.m., Burbank at Pasadena Poly. At 5:30 p.m., Moorpark at Capistrano Valley, Quartz Hill at Canyon, Notre Dame at Highland. At 7 p.m., Newbury Park at Ventura, Channel Islands at Oxnard.

College baseball: At 2:30 p.m., Mission at Canyons, Ventura at Oxnard, Santa Barbara at Moorpark, Pierce at Glendale, Bakersfield at Valley.

College softball: At 1:30 p.m, Long Beach State at CS Northridge (doubleheader). At 3:30 p.m., Bakersfield at Moorpark, Valley at Canyons.

Women’s tennis: At 2 p.m, Moorpark at Santa Monica.