Naomi Osaka has become the first Japanese woman to reach a Grand Slam final after beating American Madison Keys to set up a meeting with Serena Williams at the US Open.
Osaka, 20, had never beaten Keys in their previous three meetings, but won 6-2 6-4 in New York.
The 20th seed saw off 13 break points and clinically took those which came her way.
She meets 23-time Grand Slam champion Williams.Osaka was just one year old when Williams won her first Grand Slam in 1999.
Serena’s Victory will equal Margaret Court’s record of 24 Grand Slam singles titles.