The Austrian improved lots over the last few months.
The Pole says she aims to fix her issue.
The boys are getting the band back together.
John McEnroe says Nick Kyrgios "could do some really good things" if he confronts one aspect of the mental game.
"The chances of coming back are very high," says Serena Williams.
The American hits a career-high No.3 ranking on Monday.
The American pair notch a milestone by reaching the top five.
