RIYADH: Amanda Anisimova pulled off a stellar comeback on Wednesday to get the better of Iga Swiatek 6-7 (3/7), 6-4, 6-2 and book her spot in the last four of the WTA Finals in Riyadh. Making her tournament debut this week, the fourth-seeded Anisimova secured the runner-up spot in the Serena Williams Group behind Elena Rybakina. Rybakina completed round-robin play with a perfect 3-0 mark, thanks to a 6-4, 6-4 success against Russian alternate Ekaterina Alexandrova earlier in the day. Anisimova improved her three-set record this season to an impressive 15-3 by posting her 10th top-10 win of the year.