Canada's Leylah Fernandez defeated Russian Anna Kalinskaya 6-1, 6-2 for her fourth career WTA title at the Citi Open hardcourt tennis tournament on Sunday.

The Montreal, Que. native took down Russia's Anna Kalinskaya 6-1, 6-2 in straight sets to win the Citi Open in Washington, D.C. on Sunday afternoon.

CoCo Vandeweghe believes that Leylah Fernandez is a ‘threat at the US Open’ after the Canadian lifted the Citi DC Open title, with Steve Johnson adding that he predicts ‘big things’ for the 22-year-old.