A Career Grand Slam is a rare feat in tennis.
Djokovic breaks Steffi Graf tennis record for most weeks ranked No. 1
Novak Djokovic - Wikipedia
Wimbledon: Nadal can edge closer to calendar Grand Slam, the holy grail of tennis
4 players who have won the Triple Career Grand Slam, ft. Steffi Graf, Novak Djokovic
US OPEN 2021: Djokovic, Osaka demand much of the attention, Sports
Best of the Best: The Most Dominant Major Stretches in Tennis History - Tennis Now
16) Alexander Zverev told Novak Djokovic he's the greatest of all time after beating him
Daniil Medvedev Brings Novak Djokovic's Grand Slam Bid To A Sudden And Dramatic Halt In U.S. Open Final
Novak Djokovic eyes history at Tokyo Olympics that no man has ever won