Defending Division I girls singles champion and top seed Madison Clarke of Xavier and boys top singles seed James Ponwith of Chaparral won quarterfinal matches Friday at the D-I state tennis championships at Paseo Racquet Club in Glendale.

Ponwith takes on No. 5 seed Daniel Hollands of Mesquite in one semifinal while No. 2 seed Zach Cihlar of Brophy battles unseeded Cameron Krimbill of Desert Mountain. The boys doubles semifinals saw no upsets as No. 1 seed Jeremy Auh-Chase Victor of Desert Mountain advanced to meet No. 5 seed Cade Lortie-Chase Lortie of Red Mountain. The Lortie's knocked off No. 4 seed brothers team of ??? Headley-????? Headley of Pinnacle. No. 2 seed Christian Franco-Michael Cowan of Brophy take on Hamilton's No. 3 seeded Mac Howell-Sam Wong in the other semifinal. The semis begin at 11:30 a.m. with the final and third-place match following at 2:30 p.m.