Indian ace Sania Mirza has entered the quarterfinals of the USD 75,000 ITF Vancuover Open

Top seed Sania quelled a late challenge from American wildcard Laura Granville.

Competing in only the third ITF event of her career, the Indian defeated Granville 6-2, 7-5.

Sania will now take on local favourite Rebecca Marino in the last-eight stage.

Rebecca stunned eighth seed Australian Olivia Rogowska 7-5, 7-6 (0) to make the quarterfinals.