_______ has recently won men’s singles title in Australian Open 2020 ?

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

World No-2 Novak Djokovic defeated the Dominic Thiem of Austria in the final of the Australian Open to clinch the title of the first Grand Slam of the year for the eighth time.