 In 2018, the team of Bianca Andreescu, Gabriela Dabrowski, Katherine Sebov and Carol Zhao lost in the first round of the World Group II first round to Romania by the score of 1-3.Zhao and Andreescu lost the two singles matches the first day, respectively to Sorana Cîrstea and Irina-Camelia Begu.The second day, Sebov was defeated by Begu and Canada's doubles team of Dabrowski and Zhao won over Ana Bogdan and Raluca Olaru.