Madison Keys falls in Semifinals at US Open

Naomi Osaka of Japan made her first career Grand Slam final, beating 2017 U.S. Open runner-up Madison Keys 6-2, 6-4.

The No. 20 seed will play six-time U.S. Open champion Serena Williams for the title Saturday.

Keys, seeded 14th, couldn't convert on any of her 13 break-point opportunities.