Mladenovic, Goerges reach quarterfinals in St. Petersburg

Roberta Vinci during the St. Petersburg Women's Trophy-2018 tennis tournament match against Julia Goerges of Germany in St.Petersburg, Russia, Thursday, Feb. 1, 2018. (AP Photo/Dmitri Lovetsky)

ST. PETERSBURG, Russia (AP) Kristina Mladenovic advanced to the quarterfinals of the St. Petersburg Ladies Trophy on Thursday by beating Dominika Cibulkova 6-4, 6-4.

Returning to the court for the first time since her first-round loss to Ana Bogdan at the Australian Open, the fourth-seeded Mladenovic broke Cibulkova’s serve four times.

Mladenovic will next play either Katerina Siniakova or Ekaterina Makarova in the quarterfinals.

Fifth-seeded Julia Goerges also advanced, beating Italian veteran Roberta Vinci 7-5, 6-0.

Goerges will next face 18-year-old Russian qualifier Elena Rybakina, who has already eliminated Timea Bacsinszky and Caroline Garcia.