Defending champion Phoenix Xavier Prep is the top seed going into the state badminton team competition that begins Monday (Oct. 15) at four sites and continues with semifinals on Wednesday (Oct. 17) and championship on Thursday (Oct. 18), both at Phoenix Sunnyslope.

Monday’s first round (seedings in parentheses)

at Phoenix Xavier Prep

Phoenix Desert Vista (16) vs. Phoenix Xavier Prep (1), 5 p.m.

Mesa Westwood (9) vs. Glendale Mountain Ridge (8), 5 p.m.

Winners at 6:30 p.m.

at Mesa Westwood

Chandler (12) vs. Phoenix Moon Valley (5), 5 p.m.

Tempe McClintock (13) vs. Mesa Red Mountain (4), 5 p.m.

Winners at 6:30 p.m.

at Phoenix Sunnyslope

Glendale Independence (14) vs. Phoenix Sunnyslope (3), 5 p.m.

Phoenix Sandra Day O’Connor (11) vs. Phoenix Shadow Mountain (6), 5 p.m.

Winners at 6:30 p.m.

at Phoenix Mountain Pointe

Scottsdale Chaparral (10) vs. Gilbert Perry (7), 5 p.m.

Gilbert Campo Verde (15) vs. Phoenix Mountain Pointe (2), 5 p.m.

Winners at 6:30 p.m.

Semifinals

Wednesday at Phoenix Sunnyslope, 6:30 p.m.

Championship

Thursday at Phoenix Sunnyslope, 6:30 p.m.