Zheng took a 4-2 lead in the second set but Dulgheru then strung together a run of four straight games to keep her grip on the trophy for the second year.
Vettel has a 13-point lead over Fernando Alonso with three races left of the F1 season and is bidding for his fifth straight win to strengthen his grip on a third title.
In an episode of the comedy "Portlandia, " a couple played by Fred Armisen and Carrie Brownstein go on an epic "Battlestar Galactica" bender, losing a job and their grip on reality in the process of watching 75 episodes straight.