Division 1
Arcadia def. Mira Costa 13-5
Division 3
No. 4 Temple City def. Wilson 11-7
No. 3 Walnut def. Cabrillo (Lompoc) 10-8
West Torrance def. Diamond Bar 10-8
Great Oak def. Mayfield 11-7
Division 4
Keppel def. Santa Fe 10-8
No. 4 Chaminade def. Rosemead 16-2
Thacher def. Arroyo 9-9 (74-70)
Flintridge Prep def J.W. North 10-8
No. 2 La Serna def. La Quinta (Westminster) 14-4
Division 5
Orange 11, Duarte 7
San Jacinto 11, El Monte 7
No. 2 Gladstone 13, San Gorgonio 5

All matches at 2 p.m.
Quarterfinals: Monday
Division 1
No. 4 Harvard-Westlake (15-2) at Arcadia (19-0)
Division 3
No. 4 Temple City (16-3) at Cypress (17-5)
No. 3 Walnut (20-1) at West Torrance (12-7)
Division 4
Keppel (18-10) at No. 1 Elsinore (19-0)
No. 2 La Serna (20-0) at Flintridge Prep (11-8)
Division 5
No. 2 Gladstone (18-1) at San Jacinto (19-2)

Semifinals: Wednesday
Finals: Friday at The Claremont Club