Serbia’s Jelena Jankovic plays a shot during her first round match against Croatia’s Ajla Tomljanovic at the Brisbane International tennis tournament, in Brisbane, Australia, 04 January 2015. The tournament runs January 4-11. EPA/DAN PELED AUSTRALIA AND NEW ZEALAND OUT

Switzerland’s Roger Federer, high-fives American Bethany Mattek-Sands during a promotional event before the start of the first round of the Brisbane International tennis tournament, in Brisbane, Australia, 04 January 2015. The tournament runs January 4-11. EPA/DAN PELED AUSTRALIA AND NEW ZEALAND OUT

Switzerland’s Roger Federer, laughs during a promotional event before the start of the first round of the Brisbane International tennis tournament, in Brisbane, Australia, 04 January 2015. The tournament runs January 4-11. EPA/DAN PELED AUSTRALIA AND NEW ZEALAND OUT

Switzerland’s Roger Federer, interacts with a Spongebob character during a promotional event before the start of the first round of the Brisbane International tennis tournament, in Brisbane, Australia, 04 January 2015. The tournament runs January 4-11. EPA/DAN PELED AUSTRALIA AND NEW ZEALAND OUT

“Roger and Grigor at the Kids Day in Brisbane” – Photo by @rogefederer via Instagram

Photo by @rogerfedereralways via Instagram