Serena Williams, Andy Murray, Victoria Azarenka, Jack Sock and Kimberly Yee at US Open Arthur Ashe K

Serena Williams, Andy Murray, Victoria Azarenka, Jack Sock and young player Kimberly Yee participated in the 19th Annual Arthur Ashe Kids Day. The day honors the legacy of tennis legend and former American World Number One Arthur Ashe. The United States Open Tennis Championships is a hardcourt tennis tournament which is the modern iteration of one of the oldest tennis championships in the world, the U. S. National Championship, for which men s singles was first contested in 1881. Since 1987, the US O