Jessica Pegula beats Maria Sakkari to finish 3-0 in WTA Finals round-robin play
- The fifth-seeded Pegula extended her overall winning streak to eight matches, including a title at the Korean Open last month
- The other semifinalist from Pegula’s group will be the winner of the rain-interrupted contest between No. 1-ranked Aryna Sabalenka and Elena Rybakina, rematch of this year’s Australian Open final