On Wednesday, the Jamestown boys bowling team (4-4,7-5) prevailed over Southwestern (6-2, 7-5), 3-1.
The Red Raiders posted a 858-954-911-2,723 against the Trojan's 889-947-830-2,666.
Top performers for Jamestown were Brent Millwe with a 237-584. Brandon Propheter with a 211-558, Chris Edens 190-555 and Jeremy Becker 194-546.
Southwestern countered with a 218-618 from Taylor West, a 253-583 by Brett Worland and a 210-574 from Nik Suter.
Similar results followed in the girls matchup, which also favored the Lady Red Raiders (4-4, 7-5) 3-1 over the Lady Trojans (3-5, 4-8).
For Jamestown, Andaya Vazquez rolled a 195-490, Sapphire Dean struck a 453 and Brittany Miller notched a 435.
The Lady Trojans responded with a 531 by Amanda Stewart, a 447 from Alexis Berry and 194-423 by Brianna Nelson.