Barty upset by alternate Bertens at WTA Finals October 29, 2019 nedvedmedia Local, Regional and National Sport stories World No. 1 Ashleigh Barty was upset by late substitute Kiki Bertens 3-6, 6-3, 6-4 at the WTA Finals in Shenzhen Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)