Jazlyn Arellano racked up 17 kills and three service aces on Tuesday to lead Legacy (21-11) to a 17-25, 25-13, 25-20, 25-18 home victory over Tech (15-20) in the first round of the Class 4A state girls volleyball playoffs.

Legacy, the Sun League’s top seed, will host Desert Oasis in the quarterfinals at 6 p.m. on Monday. Tech, the third-seeded team from the Lake League, finished at 15-20.

No. 2 Mountain Desert Oasis 3, No. 3 Desert Cimarron-Memorial 0: At Desert Oasis, Emerson Moore racked up 26 assists, six digs, three kills, two service aces and a block to lead the Diamondbacks (21-15) past the Spartans 25-13, 25-17, 25-12. Cimarron finished at 14-20.

No. 2 Sun Mater East 3, No. 2 Sky Coral Academy 1: At Coral Academy, the Knights (19-11) logged a 14-25, 25-18, 25-17, 25-13 victory over the Falcons (18-17) to advance.

No. 1 Lake Green Valley 3, No. 3 Las Vegas 2: At Green Valley, Braelynn Shaw had 20 kills and four blocks to help the Gators (27-9) beat the Wildcats 20-25, 25-20, 25-12, 21-25, 15-8.…