Name the only male tennis player as on today to have 21 Grand Slam titles in tennis.

Correct option is A

As of early 2022, Rafael Nadal became the first male tennis player to win 21 Grand Slam titles after winning the Australian Open by defeating Daniil Medvedev.

Information Booster:

• Nadal has won most of his Grand Slam titles at the French Open (14 times).
• He is known as the "King of Clay" due to his dominance on clay courts.
• His biggest rivals are Roger Federer and Novak Djokovic.
• He later won his 22nd Grand Slam at the French Open in 2022.

Additional Knowledge:

• Andre Agassi won 8 Grand Slam titles.
• Roger Federer was the first male player to win 20 Grand Slam titles.
• Pete Sampras won 14 Grand Slam titles before retiring in 2002.