World number one Ashleigh Barty is through to the third round of the US Open following victory over Danish teenager Clara Tauson.

The Australian needed three match points before winning 6-1 7-5 on Arthur Ashe Stadium to pick up her 50th Grand Slam match victory.

The top seed raced through the first set but was unable to convert a match point at 5-3 in the second.

Barty will face American Shelby Rogers or Romanian Sorana Cirstea in the third round.

[Source: BBC]