1. He's into the quarter finals and bidding to win his seventh Australian Open
Roger Federer
Stan Wawrinka
Novak Djokovic
Alexander Zverev
2. Her loss in the fourth round at the Slam means she loses her number 1 ranking
Serena Williams
Simona Halep
Caroline Wozniacki
Garbine Muguruza
3. This Greek wunderkind played his best tennis to oust Roger Federer from the Australian Open
Marcos Baghdatis
Stefanos Tsitsipas
Andy Murray
Borna Coric
4. Currently ranked number 2 in the world, this man has the record for winning most times at Roland Garros
Stan Wawrinka
Rafael Nadal
Andy Murray
Andre Agassi
5. She's shy and demure of the court, but on court is known for her powerful forehand and serve. She recently created big news for winning last year's US Open
Karolina Pliskova
Naomi Osaka
Maria Sharapova
Venus Williams
6. This 21-year-old, whose parents are from Sierra Leone, has been known at this Slam as the New Mr Upset for defeating big names
Gael Monfils
James Blake
Frances Tiafoe
Donald Young
7. This former World number 1 was ousted from the Australian Open by an unseeded player within an hour of play
Angelique Kerber
Madison Keys
Petra Kvitova
Johanna Konta
8. The German failed to live up to expectations and during his loss in the fourth round he smashed his racket eight times.
Milos Raonic
Marin Cilic
Alexander Zverev
Tomas Berdych
9. She recently confirmed she was dating a fellow tennis player and together they have set up a joint Instagram account -- @ g.e.m.s.life
Elina Svitolina
Samantha Stosur
Maria Sharapova
Alize Cornet
10. She took time off from tennis and became a cricket player for Australia
Ashleigh Barty
Samantha Stosur
Eugenie Bouchard
Victoria Azarenka
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