Isaiah Campbell allowed four hits over eight innings, matching the longest outing of his career and helping Arkansas advance to the final of its home regional with a 3-1 victory over TCU on Saturday night.
Casey Opitz broke a scoreless tie with a two-run single in the sixth inning, and Trevor Ezell pushed the margin to three with an RBI double as the Razorbacks (43-17), the No. 5 national seed, moved within a victory of hosting their second straight Super Regional.
The Horned Frogs (33-27) will face Central Connecticut State in an elimination game Sunday, with the winner getting a rematch with Arkansas on Sunday night.
Campbell (11-1) struck out eight, and Matt Cronin pitched a perfect ninth for his 11th save.
TCU's Nick Lodolo (6-6) left after allowing a leadoff single to Heston Kjerstad in the sixth, and Haylon Green surrendered Opitz's two-out single up the middle.
The Horned Frogs had the potential tying run at the plate with one out in the seventh when Zach Humphreys hit a sacrifice fly before Campbell got Andrew Keefer on a popout to second. TCU didn't put another runner on base.
