Belgium's Mertens reaches quarter-finals at US Open
Belgian 25th seed Elise Mertens cruised into the US Open quarter-finals on Monday by dispatching 141st-ranked US wildcard Kristie Ahn 6-1, 6-1 in 67 minutes.
Mertens, who made her only deeper Slam run into last year's Australian Open semi-finals, will play Wednesday for a berth in Thursday's semi-finals against the winner of a later match between 116th-ranked US qualifier Taylor Townsend and 19-year-old Canadian 15th seed Bianca Andreescu.