Oaks Christian prevailed 2-1 in its first battle with intracity rival Westlake to remain unbeaten.
Royal rebounded from a 1-0 loss to Moorpark to knock off Oak Park 2-1 to move into a first-place tie in the Coastal Canyon League.
Hart and Saugus remained tied atop the Foothill League and square off Friday at Saugus.
Here are the new rankings (through matches of Jan. 31):
1. Oaks Christian (12-0, 6-0 Marmonte League)
2. Harvard-Westlake (12-2-1, 6-0 Mission League)
3. Westlake (7-1-5, 2-1-3 Marmonte League)
4. Hart (11-3-5, 3-0-3 Foothill League)
5. Quartz Hill (16-1-3, 10-0 Golden League)
6. Alemany (14-1-3, 5-1 Sunshine League)
7. Royal (13-5-3, 4-2 Coastal Canyon League)
8. Oak Park (14-3, 4-2 Coastal Canyon League)
9. Flintridge Sacred Heart (9-4-3, 3-1 Mission League)
T10. Moorpark (8-6-3, 3-1-1 Coastal Canyon League)
T10. Saugus (8-6-4, 3-0-3 Foothill League)
