U.S. Open 2016 Day 8 photosA collection of the best moments from Day 8 on Monday at the 2016 U.S. Open in New York. Author:SI StaffPublish date:Sep 5, 2016U.S. Open 2016 Day 8 photos Juan Martin del PotroKENA BETANCUR/AFP/Getty Images Juan Martin del PotroEDUARDO MUNOZ ALVAREZ/AFP/Getty Images) Juan Martin del Potro, Dominic ThiemEDUARDO MUNOZ ALVAREZ/AFP/Getty Images Juan Martin del Potro, Dominic ThiemEDUARDO MUNOZ ALVAREZ/AFP/Getty Images Juan Martin del PotroKENA BETANCUR/AFP/Getty Images Juan Martin del PotroEDUARDO MUNOZ ALVAREZ/AFP/Getty Images Simona HalepMichael Reaves/Getty Images Simona HalepMichael Reaves/Getty Images Dominic ThiemAlex Goodlett/Getty Images Dominic ThiemAlex Goodlett/Getty Images Dominic ThiemAlex Goodlett/Getty Images Simona HalepMichael Reaves/Getty Images Simona HalepMichael Reaves/Getty Images Simona HalepMichael Reaves/Getty Images Carla Suarez NavarroMichael Reaves/Getty Images Carla Suarez NavarroMichael Reaves/Getty Images Simona HalepMichael Reaves/Getty Images Venus WilliamsAl Bello/Getty Images Venus WilliamsEDUARDO MUNOZ ALVAREZ/AFP/Getty Images Venus WilliamsAl Bello/Getty Images Venus Williams Mike Hewitt/Getty Images Karolina PliskovaEDUARDO MUNOZ ALVAREZ/AFP/Getty Images Karolina PliskovaEDUARDO MUNOZ ALVAREZ/AFP/Getty Images Karolina PliskovaAlex Goodlett/Getty Images Venus WilliamsEDUARDO MUNOZ ALVAREZ/AFP/Getty Images Karolina Pliskova, Venus Williams Mike Hewitt/Getty Images Michael ReavesMichael Reaves/Getty Images Illya MarchenkoMichael Reaves/Getty Images) Stan WawrinkaMichael Reaves/Getty Images Stan WawrinkaMichael Reaves/Getty Images Kei Nishikori TIMOTHY A. CLARY/AFP/Getty Images Kei Nishikori TIMOTHY A. CLARY/AFP/Getty Images Ivo Karlovic TIMOTHY A. CLARY/AFP/Getty Images Ivo Karlovic TIMOTHY A. CLARY/AFP/Getty Images Yaroslava ShvedovaEDUARDO MUNOZ ALVAREZ/AFP/Getty Images Serena WilliamsKENA BETANCUR/AFP/Getty Images Serena WilliamsMike Hewitt/Getty Images Serena WilliamsKENA BETANCUR/AFP/Getty Images Serena WilliamsMike Hewitt/Getty Images Kei NishikoriAlex Goodlett/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