U.S. Open 2016 men's semifinalsA collection of the best moments from the men's semifinal matches on Friday at the 2016 U.S. Open in New York. Author:SI StaffPublish date:Sep 9, 2016U.S. Open 2016 men's semifinals Gael MonfilsMike Stobe/Getty Images for USTA Gael MonfilsMike Stobe/Getty Images for USTA Gael MonfilsMike Stobe/Getty Images for USTA Novak DjokovicMike Stobe/Getty Images for USTA Kei NishikoriElsa/Getty Images Kei NishikoriElsa/Getty Images Kei NishikoriElsa/Getty Images Stan WawrinkaAl Bello/Getty Images Stan WawrinkaElsa/Getty Images Kei NishikoriAl Bello/Getty Images Stan WawrinkaAl Bello/Getty Images Kei NishikoriAl Bello/Getty Images Kei NishikoriElsa/Getty Images Kei NishikoriAl Bello/Getty Images Stan WawrinkaMike Hewitt/Getty Images Kei NishikoriMike Stobe/Getty Images for USTA Kei NishikoriMike Stobe/Getty Images for USTA Stan WawrinkaMike Stobe/Getty Images for USTA Kei NishikoriMike Stobe/Getty Images for USTA Novak DjokovicElsa/Getty Images Gael MonfilsMike Hewitt/Getty Images Gael MonfilsAl Bello/Getty Images Gael MonfilsAlex Goodlett/Getty Images Novak DjokovicAlex Goodlett/Getty Images Gael MonfilsElsa/Getty Images Novak DjokovicAlex Goodlett/Getty Images Gael MonfilsAlex Goodlett/Getty Images Novak DjokovicAl Bello/Getty Images Gael Monfils, Novak DjokovicMike Hewitt/Getty Images Novak DjokovicMike Hewitt/Getty ImagesLatest NewsNovak Djokovic Suffers Unexpected Defeat in Indian Wells vs. 20-Year-Old Luca NardiTennis Q&A: Anti-Doping Lawyer Howard Jacobs on Simona Halep’s CaseRafael Nadal Withdraws From Indian Wells Before Playing in First RoundMailbag: The Aftermath of Andrey Rublev’s On-Court Outburst and DefaultSimona Halep’s Ban Reduced: What It Means for Tennis’s Anti-Doping Policy