Spain`s Fernando Verdasco stretches to hit a shot during his first round match against Spain`s Rafael Nadal at the Australian Open tennis tournament at Melbourne Park, Australia, January 19, 2016. Photo: ReutersSerbia`s Ana Ivanovic stretches to hit a shot during her first round match against Australia`s Tammi Patterson at the Australian Open tennis tournament at Melbourne Park, Australia, January 19, 2016. Photo: ReutersSpain`s Rafael Nadal reacts during his first round match against Spain`s Fernando Verdasco at the Australian Open tennis tournament at Melbourne Park, Australia, January 19, 2016. Photo: ReutersFrance`s Gael Monfils serves during his first round match against Japan`s Yuichi Sugita at the Australian Open tennis tournament at Melbourne Park, Australia, January 19, 2016. Photo: ReutersSpain`s Fernando Verdasco reacts after missing a shot during his first round match against Spain`s Rafael Nadal at the Australian Open tennis tournament at Melbourne Park, Australia, January 19, 2016. Photo: ReutersSweden`s Johanna Larsson prepares to hit a shot during her first round match against Romania`s Irina-Camelia Begu at the Australian Open tennis tournament at Melbourne Park, Australia, January 19, 2016. Photo: ReutersSpain`s Rafael Nadal signals a ball boy to bring his other towel during his first round match against Spain`s Fernando Verdasco at the Australian Open tennis tournament at Melbourne Park, Australia, January 19, 2016. Photo: ReutersSpain`s Rafael Nadal hands plastic to a ball boy as he changes shirt during his first round match against Spain`s Fernando Verdasco at the Australian Open tennis tournament at Melbourne Park, Australia, January 19, 2016. Photo: ReutersSpain`s Tommy Robredo celebrates after winning his first round match against Tunisia`s Malek Jaziri at the Australian Open tennis tournament at Melbourne Park, Australia, January 19, 2016. Photo: ReutersSpain`s David Ferrer hits a shot during his first round match against Germany`s Peter Gojowczyk at the Australian Open tennis tournament at Melbourne Park, Australia, January 19, 2016. Photo: ReutersSpain`s Fernando Verdasco signs autographs after winning his first round match against Spain`s Rafael Nadal at the Australian Open tennis tournament at Melbourne Park, Australia, January 19, 2016. Photo: Reuters