Sabalenka advances to WTA Finals last 4

There have been four days of play, and all eight women have finished two matches. Here are five thoughts on what we’ve seen so far.
Aryna Sabalenka overcame a scare late in the second set to oust Jasmine Paolini in straight sets 6-3 7-5 at the WTA Finals ...
Top-ranked Aryna Sabalenka, who had won her first two matches to clinch a semifinal spot, lost 6-4, 3-6, 6-1 to No. 5 Elena Rybakina. It was Rybakina’s first win of the round-robin phase.