Aryna Sabalenka reached the semifinals of the WTA Finals with a 6-3, 7-5 win over Jasmine Paolini on Monday for a second straight victory in the group stage. The top-ranked Sabalenka cruised in the first set after building a 4-0 lead, then saved two set points in the second to advance at the year-ending tournament for the top eight ranked players. Sabalenka will face already eliminated Elena Rybakina on Wednesday in the final group match of the week.