Sabalenka beats 18-year-old Iva Jovic to reach Australian Open semis

MELBOURNE, Australia — Top-seeded Aryna Sabalenka beat 18-year-old American Iva Jovic 6-3, 6-0 on Tuesday to reach the semifinals at the heat-affected Australian Open. The match at Rod Laver began with the roof open as heat warnings hit Melbourne with temperatures expected to be above 40 Celsius. The roof stayed open for that match but