<div><p>MELBOURNE (Reuters) - Roger Federer and Serena Williams needed all their fighting qualities to stay in the Australian Open on Wednesday after Li Na stunned Venus Williams to become the second Chinese to reach a grand slam semi-final.</p><p>Federer reeled off 13 games in a row to dig himself ...

<div><p>MELBOURNE (Reuters) - Defending champion Serena Williams produced a remarkable fightback from a set and 4-0 down against Victoria Azarenka to reach the semi-finals of the Australian Open on Wednesday.</p><p>The world number one, initially bullied by the seventh seed from Belarus in their quarter-final, came through 4-6 7-6 ...

<div id="subtitle">Williams survives major quarterfinal scare at Australian Open to beat Azarenka</div><div><p>Serena Williams has survived a major scare — down a set and 4-0 in the second — to advance to the semifinals of the Australian Open with a 4-6, 7-6 (4), 6-2 win over Victoria Azarenka.&lt ...

<div><p>Defending champion Serena Williams will be aiming to ensure history repeats when she clashes with seventh-seed Victoria Azarenka in the Australian Open quarter-finals on Wednesday.</p><p>The world number one has been in imposing form in reaching the last eight, where she will meet the Belarussian for the third ...