A Labor Day to Remember at the USO Posted on September 6, 2011December 5, 2014 by Agallivant Djokovic vs Dolgopolov Federer vs Monaco Related posts: No longer a contender but a champion How Do They Get These Pairings? Tennis Labor Day at the US Open The One with the Least Errors Win! DjokovicDolgopolovFedererMemorable MatchesMonaco