Former world No. 1 Novak Djokovic has pulled out of the Italian Open amid a three-match losing streak and months of struggling with his form.

Novak Djokovic said he had to face up to his “new reality” after another opening-match loss, this time to world No. 44 Matteo Arnaldi at the Madrid Open. “Trying to win a match or two, not really thinking about getting far in the tournament,” Djokovic said in a news conference Saturday of his expectations going into events in 2025.

Tennis is one of the world’s most beloved sports. And fans of it often wonder about who the best tennis players of all time are. Well, look no further as we run down the 10 players who took to the court and played at a level that easily places them among the greatest to ever compete in the game.