Spain’s Rafael Nadal answers question at press conference following his loss to Switzerland’s Roger Federer in the men’s singles final at the Australian Open tennis championships in Melbourne, Australia, early Monday, Jan. 30, 2017. Switzerland’s Roger Federer, right, Spain’s Rafael Nadal, left, and Rod Laver pose for photographers after Federer won the men’s singles final at the Australian Open tennis championships in Melbourne, Australia, Sunday, Jan. 29, 2017.