Her next tournament was the Bank of the West Classic in Stanford, where she received a bye into the second round and beat Francesca Schiavone for a place in the quarterfinals. She then beat Varvara Lepchenko, as well as Jamie Hampton, losing to Dominika Cibulková in the final. In September, Radwańska defeated Anastasia Pavlyuchenkova to win the KDB Korea Open, her third singles title of 2013. She was eliminated from the WTA Championships in the round robin stage, exiting with a loss to Angelique Kerber. At the conclusion of the season, Radwańska was voted WTA Fan Favorite Singles Player for the third consecutive year.