US Open quarterfinalsUpdated 2143 GMT (0543 HKT) September 6, 2016 Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds. Photos: Quarterfinal action in New YorkAngelique Kerber, the Australian Open champ and Wimbledon finalist, moved into the semifinals at the US Open. Hide Caption 1 of 6 Photos: Quarterfinal action in New YorkBut Kerber didn't have it all her way against Vinci. Vinci -- who stunned Serena Williams last year in New York -- led by a break at 5-4 in the first. Hide Caption 2 of 6 Photos: Quarterfinal action in New YorkVinci, though, couldn't serve out the first set and her level dipped thereafter. Hide Caption 3 of 6 Photos: Quarterfinal action in New YorkKerber didn't relinquish another game as she stepped up her game and Vinci faded. Hide Caption 4 of 6 Photos: Quarterfinal action in New YorkGael Monfils could be playing the best tennis of his career. He joined Kerber in the last four -- without dropping a set -- by beating Lucas Pouille. Hide Caption 5 of 6 Photos: Quarterfinal action in New YorkPouille, Monfils' fellow Frenchman, had upset Rafael Nadal on Sunday. Hide Caption 6 of 6Angelique Kerber and Gael Monfils advanced to the semifinals at the US Open. More from Sport - TennisSerena Williams ties the knot at 'Beauty and the Beast' themed weddingRafael Nadal wins defamation case over doping claimsCaroline Wozniacki beats Venus Williams for first time to win WTA FinalsUnited States beat Belarus to win first Fed Cup title since 2000U.S. tennis star Jack Sock takes CNN's 'Sock Challenge'!!