Kaden Horn scored 23 points and Brad Lackey added 21 as the Titans opened the Surf N Slam tournament with a win.
Horn hit four 3-pointers, while Lackey hit on 3 of 3 3-point attempts.
Tanner Toolson added 13 points, nine rebounds, six assists and three steals.
Union (9-0) will play Woods cross of Utah at 8:30 a.m. Saturday in the semifinals of the Boys Surf bracket.
SURF N SLAM
At San Diego
UNION 91, IRVINGTON (Calif.) 48
UNION (9-0) — Aiden Liss 2, Brad Lackey 21, Ty McCullum 5, Tanner Toolson 13, Mason Hill 3, Izaiah Vongnath 3, Ariya Briscoe 10, Josh Reznick 6, Kaden Horn 23, Connor Flannigan 3, Spencer McGuire 2. Totals 35-61 (12-24) 9-16 91.
IRVINGTON — Not available.
Halftime — Union 62-21.
