Former Grand Slam champion Boris Becker of Germany looks down onto Rod Laver Arena as he prepares to watch defending champion Novak Djokovic in his match against Slovakia's Lukas Lacko at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2014.(AP Photo/Eugene Hoshiko)

Australian Open Tennis

Former Grand Slam champion Boris Becker of Germany looks down onto Rod Laver Arena as he prepares to watch defending champion Novak Djokovic in his match against Slovakia's Lukas Lacko at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2014.(AP Photo/Eugene Hoshiko)

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