Serena's U.S. Open victory confirms lack of contemporary competition Author:Bruce JenkinsPublish date:Sep 10, 2013Serena Williams only lost one set -- to Victoria Azarenka in the final -- en route to her U.S. Open title.Mike Stobe/Getty ImagesWERTHEIM: Fifty parting thoughts from the 2013 U.S. OpenLatest 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