This week, Baseline will highlight a variety of Americans to watch for during the US Open. Qualifying action starts on August 22, with the main draw beginning on August 28.
Age: 25
Rank: No. 24
Career-Best US Open Performance: Second round, 2011, 2013, 2014, 2015
2017 High: Nearly everything went right for Vandeweghe in Australia to start off the year. At the Hopman Cup, she and partner Jack Sock reached the final of the international team event. And at the Australian Open, Vandeweghe reached her first Grand Slam semifinal, which included a straight-sets dismissal of world No. 1 and defending champion Angelique Kerber.