Serena sets another record at US Open

American top seed Serena Williams hammered Sweden's Johanna Larsson in straight sets to reach the last 16 at the US Open on Saturday.

Williams beat Larsson 6-2, 6-1 in 61 minutes to become the all-time leader in women's singles career grand slam match wins with 307 to overtake legend Martina Navratilova.

The 34-year-old Williams is chasing her 23rd grand slam singles title and seventh US Open crown which would become a new women's Open era record.

In the first set, Williams broke her opponent's serve in the second and eighth games to claim the opener 6-2 in convincing fashion.

The top seed was even more dominant in the second, breaking Larsson's serve in the fourth and sixth games to win the set and match 6-1.  

"Wow. That's pretty awesome, and honestly, what a better place to do it than here, where everything first started," Williams said afterwards on breaking Navratilova's record.

"It was a really good match for me, because she played a different kind of game," Williams said. "It was really good for me to have a different type of rhythm and just move the ball around. So overall it was pretty good."

She will next be up against Yaroslava Shvedova  on Monday after the Kazak defeated Zhang Shuai of China 6-2, 7-5 earlier.