PALERMO, Sicily — Fourth-seeded Tamara Zidansek beat Lara Arruabarrena 6-2, 6-3 in Monday’s opening match of the Palermo Ladies Open, which is marking its return after a five-year absence. The clay-court event was previously on the WTA calendar from 1990-2013. The 56th-ranked Zidansek saved 10 of the 13 break points she faced. Also, Paula Badosa