The University of Hawaii baseball team lost a fourth straight game and for the 12th time in its last 13 on Sunday, falling 2-1 in 11 innings to Cal State Fullerton in Fullerton, Calif.
Jared Deacon's squeeze-play bunt drove in Austin Diemer with the winning run in the bottom of the 11th. Diemer, who led off the inning, was hit by a pitch, stole second and advanced on Clay Williamson's sacrifice.
Tanner Pinkston had three hits for the Titans (21-17, 6-6), who won twice in extra innings in sweeping the three-game series.
The Rainbow Warriors (15-25, 3-12) are 1-3 in extra-inning games his year.
Koby Gauna (2-2) earned the win with a scoreless inning after Grahamm Wiest permitted four hits in the first 10.
Scott Kuzminsky (3-5) worked 5 2/3 innings in relief of Jarrett Arakawa, who was pitching for the first time since April 6.
Hawaii will begin a four-game, three-day nonconference series against New York Institute of Technology at Les Murakami Stadium in Honolulu on Friday.