Top-seeded Karolina Pliskova is currently No.8 in the Porsche Race to Singapore, and reaching the semifinals means that the Czech has now started adding to her points total. A win today would prevent Elina Svitolina from clinching her spot this week, and a title would also stop Sloane Stephens from guaranteeing her place at the BNP Paribas WTA Finals Singapore presented by SC Global.
Karolina Pliskova leads Timea Bacsinszky 3-2 overall. The Swiss player, in her first semifinal since Roland Garros 2017, won their first two meetings, in Montréal 2014 and Rome 2015, in straight sets - but Pliskova has won their last three without losing a set, in the 2016 Fed Cup semifinals and Indian Wells (via retirement) and Rome 2017.
Caroline Garcia has not lost to Hsieh Su-Wei in three previous encounters - but their most recent two were tight three-setters, with the Frenchwoman winning 6-4, 4-6, 9-7 in the third round of Roland Garros 2017 and 7-6(4), 1-6, 6-4 in the first round of Mallorca in June.
Victory today for World No.329 Timea Bacsinszky would make the 29-year-old the lowest-ranked WTA finalist since her compatriot Myriam Casanova, who was World No.348 when she was the 2002 Budapest runner-up (with the exceptions of the unranked Kim Clijsters and Justine Henin on their comebacks in 2009 and 2010). Bacsinszky would be the fourth WTA finalist ranked beneath No.200 this year following Mandy Minella in Gstaad, Anastasia Potapova at the Moscow River Cup, Jessica Pegula in Québec City and Margarita Gasparyan in Tashkent; like Minella and Gasparyan, Bacsinszky entered this week's tournament on a protected ranking. A victory today would mark her first final since Rabat 2016.
Caroline Garcia is bidding for her first final since completing the Asian double with Wuhan and Beijing trophies last year. Since then, the Frenchwoman is 0-3 in semifinals, falling at that stage in the 2017 WTA Finals and in Stuttgart and Madrid this year.
Karolina Pliskova and Hsieh Su-Wei have both added to their trophy cabinet already in this year's Asian swing, with Pliskova becoming champion in Tokyo and Hsieh notching her third career title in Hiroshima.
ORDER OF PLAY
CENTER COURT (starts 11.30am)
[WC] Karolina PLISKOVA (CZE)  vs Timea BACSINSZKY (SUI)
Not before 1pm
HSIEH Su-Wei (TPE)  vs Caroline GARCIA (FRA)