The day came down to a hotly contested match on court five where freshman Maya Lopez battled into a third-set tiebreaker but came up short.
Pacific led early, but a nine-run third inning for Saint Mary's changed the game for good.
Jee Horsangchai records Tigers lowest score (71) in Saturday's final round.
Pacific outscores the Wolverines in the final frame but fall by one goal
Pacific cruised to the victory with a win at home that snapped a two-match losing streak.
Pacific powers past UMass Lowell but falls late against San Jose State
Pacific and Saint Mary's were locked in a pitching duel throughout, but a walk off in the bottom of the 10th inning ended the Tigers' day.
Pacific women's tennis closes out the non-conference season this weekend with matches against Nevada on Saturday and Utah State on Sunday
Wanna play like a Tiger this summer? Sign up for one of our four youth camps this summer to get your future star instruction from Pacific's coaches.