NEW YORK — Rafael Nadal is seeded No. 1 at the U.S. Open for the first time since 2010.
Karolina Pliskova is making her debut as the top-seeded woman at any Grand Slam tournament.
The U.S. Tennis Association announced the seedings Thursday (Friday, Manila time), strictly adhering to this week's ATP and WTA rankings.
The U.S. Open draw is Friday; play begins Monday.
Nadal returned this week to No. 1, a ranking he last held in 2014. That year's French Open was the last time the Spaniard was seeded No. 1 at any major.
The man Nadal replaced atop the ATP, Andy Murray, is seeded No. 2 at Flushing Meadows, with Roger Federer No. 3.
Alexander Zverev is No. 4, and 2014 U.S. Open champion Marin Cilic is No. 5.
After 2016 U.S. Open runner-up Pliskova, Simona Halep is the women's No. 2 seed, followed by Wimbledon champion Garbine Muguruza at No. 3. Defending champion Angelique Kerber is No. 6.