Ivanovic through in Cincinnati

Former world number one Ana Ivanovic fought from a set down to dump ninth seed Victoria Azarenka out of the Cincinnati Open on Monday night.

The 22-year-old Serbian triumphed 2-6 7-6 (8/6) 6-2 against the 21-year-old from Belarus and will take on Yaroslava Shvedova in the second round after the Kazakh's 7-5 6-4 victory over Russia's Alla Kudryavtseva.