![Coco Gauff lines up a backhand](https://ichef.bbci.co.uk/onesport/cps/624/cpsprodpb/B8EC/production/_130704374_gettyimages-1299877447.jpg)
British primary Katie Boulter was swept apart in straight units by American teenager Coco Gauff within the second spherical of the Canadian Open.
Boulter, 27, had not dropped a set in coming via two qualifying matches and her main-draw opener in Montreal.
However she misplaced 6-2 6-2 to 19-year-old Gauff, who will face Wimbledon champion Marketa Vondrousova within the final 16.
The Czech introduced Caroline Wozniacki’s comeback event to an finish, beating the previous world primary 6-2 7-5.
Wozniacki misplaced serve twice in a one-sided opening set however recovered from a double break down at 3-0 within the second, solely to crucially drop serve once more at 5-5 earlier than Vondrousova served out the match.
Earlier Gauff, ranked seventh on the earth, made a blistering begin in opposition to Boulter on Wednesday as she misplaced simply three factors within the first 4 video games of the opening set, twice breaking serve to determine a 4-0 lead.
World quantity 72 Boulter responded with a break of her personal and later saved two set factors at 5-2 and 40-0 down however Gauff transformed the third.
The Briton didn’t take a break level originally of the second set and was damaged three video games later earlier than Gauff sealed victory with one other break, regardless of Boulter saving three match factors.
Elsewhere, Poland’s world primary Iga Swiatek was given a first-set scare by the Czech Republic’s Karolina Pliskova earlier than progressing 7-6 (8-6) 6-2, whereas fourth seed Jessica Pegula beat Yulia Putintseva 6-4 6-4.
In the meantime, world quantity two Aryna Sabalenka beat Croatia’s Petra Martic 6-3 7-6 (7-5) to advance to the final 16 whereas the Czech Republic’s Petra Kvitova beat Italy’s Camila Giorgi 6-2 5-7 6-0.
Fifth seed Caroline Garcia of France was upset 6-4 4-6 6-2 by Czech Marie Bouzkova, whereas Greek eighth seed Maria Sakkari misplaced 6-4 6-2 to American Danielle Collins. Sloane Stephens loved a walkover into spherical three due to Victoria Azarenka’s withdrawal via harm.
World quantity three Elena Rybakina got here from a set right down to beat the US’ Jennifer Brady 6-7 (3-7) 7-6 (7-5) 6-3 in a match held over from Tuesday evening due to rain.