Serena Williams is  now just three grand slams short of Steffi Graf’s record after she beat Maria Shrapova in straight sets to win her sixth Australian Open title. (Photo by Clive Brunskill/Getty Images)

Serena Williams extended her winning streak against Maria Sharapova to 16 matches to claim a 19th grand slam title in the Australian Open on Saturday.(...)

Serena Williams is through to the Australian Open final, where she will play Maria Sharapova, after a straight sets win over Madison Keys(Photograph: William West/Getty Images)

Serena Williams overcame a spirited challenge from fellow American Madison Keys to become the oldest Australian Open finalist in the open era on Thurs(...)

Serena Williams of the US  poses with the championship trophy after defeating Caroline Wozniacki of Denmark to win the women’s final match of the 2014 US Open Tennis Championship at Flushing Meadows, New York, USA, yesterday. Photograph: Justin Lane/EPA

They did the cool thing, the classy thing, by bringing Martina Navratilova and Chris Evert out to embellish, or even to authenticate, the occasion of(...)

Serena Williams poses with the trophy after after defeating Caroline Wozniacki  to win the women’s  US Open title in New York. Photograph:  Streeter Lecka/Getty Images

Serena Williams rescued her season with a lopsided victory over Caroline Wozniacki to win her 18th Grand Slam title in a US Open final that flirted (...)

Serena Williams  defeated Flavia Pennetta  to reach the US Open semi-final. Photograph:  Barton Silverman/The New York Times

Two-time defending champion Serena Williams, in her black and white leopard dress, started quietly before roaring past 11th seed Flavia Pennetta 6-3 6(...)

Andy Murray of Britain reacts after a missed point against Stanislas Wawrinka of Switzerland at the US Open championships in New York. Photograph: Reuters

Andy Murray’s US Open title defence came to an end in the quarter-finals with a straight-sets defeat by Stanislas Wawrinka at Flushing Meadows last ni(...)