Serena Williams wins US Open - in pictures

The women's singles final saw the top two female players in the world, Victoria Azarenka of Belarus and Serena Williams of the United States, go head to head at Flushing Meadows. Photograph: Matthew Stockman/Getty Images

Williams strikes first in the 2013 US Open women's final, breaking Azarenka's opening service game. But Azarenka does exactly the same to Williams in the next game Photograph: Al Bello/Getty Images

Williams ultimately wins the set 7-5 Photograph: Matthew Stockman/Getty Images

Azarenka fights back during a tumultuous second set in which there are six breaks of serve Photograph: Maddie Meyer/Getty Images

In the end the second set comes down to a tie-break Photograph: ADAM HUNGER/REUTERS

Williams loses the tie break 8-6 Photograph: MIKE SEGAR/REUTERS

So it's one set apiece going into the decider Photograph: Charles Krupa/AP

Williams breaks Azarenka in the fourth and sixth games of the deciding set. Photograph: Matthew Stockman/Getty Images

Azarenka's frustration grows as the match slips away from her Photograph: Darron Cummings/AP

Williams jumps for joy as she claims her fifth US Open title. Photograph: Matthew Stockman/Getty Images

Williams raises the US Open trophy. Photograph: MIKE SEGAR/REUTERS

Former President Bill Clinton congratulates the champion on her 17th grand slam title. Photograph: Chris Trotman/Getty Images for the USTA