In US Open, Novak Djokovic entered Men's Singles' semi-final defeating John Millman of Australia on Thursday.
Nadal beat Millman in straight sets 6-3, 6-4, 6-4. The Serbian will now face Kei Nishikori of Japan in the semi-final on Saturday.
Nishikori entered the last four of the tournament defeating seventh seed Croatian Marin Cilic in a five-set match 2-6, 6-4, 7-6, 4-6, 6-4.
In Women's Singles, Madison Keys of US has entered the semifinals defeating Carla Suarez Navarro, 6-4, 6-3.
The 14th seed, Keys, will take on 19th seed, Naomi Osaka of Japan in the semi-final.
Osaka becomes the first Japanese woman to reach a Grand Slam semifinal in more than two decades.
Spain's Rafael Nadal and Argentina's Juan Martin Del Potro in men's singles and American Serena Williams and Latvian Anastasija Sevastova in women's singles have already entered the semifinals.
Women's Singles semi-final will be played tomorrow. (AIR)