LA JOLLA, Calif. (Interstat) — The UC San Diego Tritons outlasted the Cal State Fullerton Titans in a wild extra-inning affair Friday night at UCSD Triton Baseball Field, winning 10-9 in 10 innings to secure a Big West series victory.

The Tritons improved to 24-25 overall and 24-25 in conference play after their second straight win over the Titans, while Cal State Fullerton dropped to 21-29. The teams combined for 25 hits — 13 for UC San Diego and 12 for Cal State Fullerton — and the game featured five home runs.

Cameron Kim highlighted the Titans’ offense with a 2-for-4 performance that included a triple and three runs batted in. Andrew Kirchner added a pivotal three-run home run in the eighth inning as part of a 1-for-3 day, and Max Ortega went 2-for-4 with a solo homer. For UC San Diego, Anthony Potestio homered and finished 2-for-4, Gabe Camacho went 2-for-6 with a two-run homer, and Thomas Maher drove in three runs with a double in the third inning.

The Titans jumped out to an early lead, scoring one run in the first inning on Kim’s run-scoring single and adding three more in the second. Kim tripled to left-center with two aboard to stretch the lead to 4-0. Cal State Fullerton starter Mahoney held the Tritons scoreless through two innings, but the bottom of the third turned the game on its head.

UC San Diego erupted for seven runs in the third. Connor Elvis and Potestio opened the frame with back-to-back solo homers. Later in the inning, with the bases loaded, Maher cleared the bases with a double to right-center, putting the Tritons ahead 7-4. The Tritons added two more in the sixth inning on Camacho’s two-run homer to right field, tying the game at 9-9.

Cal State Fullerton answered in the top of the eighth. With runners on base, Kirchner launched a three-run homer to right field, and Ortega followed with a solo shot, giving the Titans a 9-9 tie. The Titans’ bullpen kept the game knotted, with Andrew Wright delivering 2⅔ scoreless innings of relief, striking out six and allowing just one hit.

The game remained deadlocked through the ninth, as each team’s pitching staff worked out of jams. In the 10th, UC San Diego’s Ethan Widelski delivered the walk-off double to right-center, scoring Brendan Klepsch from second base and sending the Tritons to victory.

Niccolas Gregson pitched two scoreless innings of relief for UC San Diego, allowing two hits and striking out three. Chapman Weber worked 1⅔ hitless innings with three strikeouts. For Cal State Fullerton, Dylan Nieto tossed ⅔ of a scoreless inning.

Interstat’s game simulator had projected a final score of UC San Diego 5, Cal State Fullerton 3, and its ELO system gave the Tritons a 53.40 percent probability to win.