In their best showing against the 49ers, the Bruins were up 2-0 and had a match point, but fell 3-2.
The Bruins and the 49ers will meet at 1:00 p.m. at the Sunset Canyon Sand Volleyball Courts.
The Bruins had a banner day, winning all three divisions of the Stanford Pairs Tournament.
The Bruins improve to 2-0 all-time against the Gaels.
UCLA improves to 2-0 all-time against the Cardinal.