The correct answer is (a) Novak Djokovic.
Novak Djokovic won the Men’s Single of Wimbledon 2019 by defeating Roger Federer in the final. Djokovic won the match in four sets, with the scores being 7-6(7-5), 1-6, 6-3, 6-4.
Djokovic is a Serbian professional tennis player who is currently ranked world No. 1 in men’s singles tennis by the Association of Tennis Professionals (ATP). He has won 20 Grand Slam singles titles, the most in history for a male player, and has held the world No. 1 spot for a total of 373 weeks, the second-most in history for a male player. Djokovic is also the only male player to have won all nine ATP Masters 1000 titles at least twice.
Federer is a Swiss professional tennis player who is currently ranked world No. 9 in men’s singles tennis by the Association of Tennis Professionals (ATP). He has won 20 Grand Slam singles titles, the most in history for a male player, and has held the world No. 1 spot for a total of 310 weeks, the most in history for a male player. Federer is also the only male player to have won all four Grand Slam singles titles at least five times.
Murray is a British professional tennis player who is currently ranked world No. 119 in men’s singles tennis by the Association of Tennis Professionals (ATP). He has won three Grand Slam singles titles, two at Wimbledon and one at the US Open. Murray is also the only British male player to have won a Grand Slam singles title since Fred Perry in 1936.
Andreas is not a professional tennis player.