Calendar Slam In Tennis. Novak djokovic came close to achieving the calendar slam in 2015 when he won the australian open, wimbledon and the us open but was denied final victory by stanislas. Novak djokovic has won both the australian and french open this year, and is the favorite to win the wimbledon title, setting him up for a potential calendar grand slam.

What was the success rate in the past. She was 18 years old and number one in the world.