______ won the 2019 edition of men’s singles US Open Tennis title ?

(a) Novak Djokovic
(b) Roger Federer
(c) Rafael Nadal
(d) Daniil Medvedev

Exp:

Spain’s Rafael Nadal has won the 2019 edition of men’s singles US Open Tennis title by defeating Daniil Medvedev in a five-set epic with a thrilling 7-5, 6-3, 5-7, 4-6, 6-4. This is his 4th US Open title and 19th Grand Slam trophy. He moved one shy of Roger Federer’s all-time men’s record 20 Grand Slam triumphs and became the 2nd-oldest New York champion in the Open era after Ken Rosewall in 1970 at age 35.