John Isner will no longer be coached by Justin Gimelstob, with Gimelstob citing "challenging times in my personal life" as the reason for his decision. The two began working together during ...

On a warm New York evening inside Arthur Ashe Stadium, Justin Gimelstob got his chance. It was 2007, and the American had just lost an entertaining match to his close friend and rival Andy Roddick.

Former tennis player Justin Gimelstob then joined Agassi as the singles match was turned into a doubles encounter. The partners then switched sides, with Vineet Jain partnering with Andre Agassi ...