Second seeded Serena Williams is playing versus Spanish Maria Jose Martinez Sanchez Friday at the Arthur Ashe Stadium in the U.S. Open women's singles 3rd round.

The American player called Martinez a cheater three months ago after she beat her in a French Open match 4-6, 6-3 6-4. Williams claimed the shot that gave Martinez the victory, had hit her arm and the left handed should have instead lost the point.

Williams and Martinez' game is being streamed live by the U.S. Open team.

Click here for a live coverage.