Anastasija Sevastova awaits Julia Goerges in the WTA Elite Trophy semi-finals after the German beat Kristina Mladenovic 6-2 7-6 (7-4).
Kristina Mladenovic saved six match points before Magdalena Rybarikova finally ended her resistance.
After the elation of their first grand slam final appearances at the US Open, Sloane Stephens and Madison Keys lost in R1 of the Wuhan Open.
After being informed she made just six unforced errors in the US Open final, Sloane Stephens could hardly believe it.
After being comfortably beaten by Sloane Stephens in the US Open final, Madison Keys said she failed to deal with the occasion.
After receiving a $3.7million cheque for winning the US Open, Sloane Stephens is hungry for more.
Having experienced a year hampered by a wrist injury, Madison Keys put her US Open final defeat to Sloane Stephens in perspective.
An incredible turnaround in fortunes saw Sloane Stephens win the US Open and afterwards she joked: "I should just retire now."
Ranked 957th in the world back in July, Sloane Stephens thrashed Madison Keys to win the US Open.