The meeting lasted 2 hours 19 minutes and ended with a score of 4: 6, 7: 5, 6: 1 in favor of the 18-year-old Russian woman, who occupies 97th place in the WTA ranking.
For reaching the quarterfinals, Potapova will play with German Tatyana Maria.
Earlier it was reported that Zvonareva beat Suvey at the WTA tournament in Doha.