CORVALLIS, Ore. -- Scott Schultz threw a two-hit shutout as No. 1 national seed Oregon State defeated UC Irvine 4-0 on Sunday night to set up a deciding game at the NCAA Corvallis Regional on Monday.

Schultz (7-2) continued a string of dominant pitching for the Beavers' starters, who have surrendered just two runs and 10 hits with 28 strikeouts in their three tournament victories. Schultz finished with four strikeouts.

Oregon State (45-13) went up early when Michael Conforto's double scored Jeff Hendrix in the first. Gabe Clark's added a two-run double and the Beavers led 4-0 after three innings.

UC Irvine's (37-23) only scoring threat came in the third when Chris Rabago was thrown out at the plate by Conforto after a single by Jerry McClanahan.

Evan Brock (8-6) gave up four runs and nine hits with four strikeouts in the loss.