Novak Djokovic refused to participate in an on-court interview at the Australian Open following his fourth-round win. Ten-time Australian Open champion Djokovic was in fine form on Sunday ...

However, the 10-time Melbourne Slam champ had to retire midway ... Getty In the same interview, Jim Courier delved into the reasons why the Big 3 played and won events deep into their 30s, but ...

Over the course of their careers, Pete Sampras, Andre Agassi, Jim Courier and Michael Chang won ... won a title San Francisco right after Melbourne and was heading back up the rankings.

Four-time Grand Slam champion Jim Courier is the new U.S. Davis Cup captain. Courier replaces Patrick McEnroe, who resigned last month. The U.S. Tennis Association says Courier will be introduced ...