Kyle Edmund has moved closer to a first appearance in the main draw of the US Open with a straight-sets win over Peter Polansky.
The British number three broke serve once in each set to run out a 6-3 6-4 winner and move through to a clash with Argentina's Guido Andreozzi.
In the women's section, Johanna Konta continued her recent good form with a hard-fought 7-5 6-4 triumph over Hungary's Reka-Luca Jani.
The British number two, who won a second-tier event in Vancouver last week, will now play Japan's Naomi Osaka.
On Tuesday, Brydan Klein progressed through to the next stage with a three-set win over Dusan Lajovic, but Liam Broady was beaten in a deciding set by Inigo Cervantes.