The British number one’s hope of reaching the WTA Finals in Singapore is in doubt as she was beaten 6-1 6-2 by world number 65 Monica Niculescu.
The 26 year old has endured a terrible run since making it to the semi finals in Wimbledon, winning just two matches
She is currently in the eighth and final qualification spot for the season-ending WTA Finals in Singapore.
Garbine Muguruza, Simona Halep, Karolina Pliskova, Elina Svitolina, Venus Williams and Caroline Wozniacki have already secured their places, with French Open champion Jelena Ostapenko a place ahead of Konta.