Free taekwondo demonstrations are scheduled for noon...

Free taekwondo demonstrations are scheduled for noon to 4 p.m. Saturday and Sunday as part of the opening of the U.S. Taekwondo Center in Calabasas.

The center, at 23697 Calabasas Road, will stage an open house from 10 a.m. to 5 p.m. Saturday and Sunday.

A free kick-aerobic workout session will precede the taekwondo demonstrations.

The demonstrations will be conducted by Timothy Connolly, winner of a silver medal for the U.S. at the 1990 World Cup and the center’s owner; Olympic medalists Juan Moreno and Jay Warwick, and Han Won Lee, coach of the U.S. national team.

Connolly Information: (818) 223-9992.

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Newbury Park High will stage its alumni baseball game Saturday at 10 a.m. at the high school. Former Newbury Park players are invited to participate. Admission is free.

Information: Vern Merrill, (805) 498-5443.

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Signups for the 1997 Agoura-Oak Park Youth Eagle Football and Cheerleading program are scheduled for Sunday from 10 a.m. to 2 p.m. at Ralph’s market at Thousand Oaks Boulevard and Kanan Road in Agoura Hills.

The full-contact football program is for players ages 8 through 14.

Information: (818) 991-7867 or (818) 780-7878.

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Tryouts for the Valley Raiders’ 18-and-under girls’ softball travel team are scheduled for Sunday from noon to 3 p.m. at Verdugo Hills High.

Information: Bob Smith, (818) 352-4667.

The Los Angeles Department of Parks and Recreation will sponsor its 25th annual free youth fishing derby May 3 at Apollo County Park, 4555 West Avenue G, Lancaster.

The derby, the largest of its kind in the nation, is open to youths ages 5 to 15.

No license is required, but competitors must provide their own equipment. Registration begins at 6 the morning of the derby.

Information: (805) 259-1750.

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The sixth annual California Racquetball Singles Championships are scheduled for May 9-11 at Racquetball World in Canoga Park.

Deadline to enter the tournament is May 5. Cost is $40 for most divisions. Junior and novice division registration is $20.

Information: (818) 884-5034.