Although he won the Australian Open last year, tennis star Stan Wawrinka has not been recognized yet as an elite ATP contender.
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Reflections on why Rafael Nadal fans should not be overly concerned by his loss to Tomas Berdych at the Australian Open.
Nick Kyrgios and Kei Nishikori starred in fourth-round ATP action at the Australian Open, while David Ferrer and Grigor Dimitrov.
Rafael Nadal, Tomas Berdych, and Kei Nishikori delivered stirring performances at the Australian Open, but John Isner fell short in other ATP action.
While Roger Federer suffered a shocking loss to Andreas Seppi, Milos Raonic and Grigor Dimitrov continued their campaigns in the ATP draw at the Australian Open.
While ATP second-round action at the Australian Open saw Novak Djokovic and Bernard Tomic shine, Rafael Nadal struggled to survive.
While Andy Murray and Tomas Berdych impressed in ATP action at the Australian Open, Roger Federer and Gael Monfils struggled to find their games.
While David Ferrer, Kei Nishikori, and Ivo Karlovic impressed in Day 2 ATP action at the Australian Open, Fabio Fognini and Feliciano Lopez disappointed.
Rafael Nadal and Grigor Dimitrov recorded straightforward victories in Day 1 ATP action at the Australian Open.
Notable ATP underdogs to watch at the 2015 Australian Open include Andy Murray, Roberto Bautista-Agut, David Goffin, Lleyton Hewitt, Jerzy Janowicz, Nick Kyrgios, and Borna Coric.