Australian Open: Roger Federer - 'I need to be pushed'

    Updated 1926 GMT (0326 HKT) January 16, 2016

    At the end of 2015, Roger Federer split with coach Stefan Edberg after two years working together. The Swiss said of the Swedish coach -- himself a six-time major winner -- in a statement: "You were an invaluable coach for two years & will be my idol for life."<br />
    Photos: Tennis great hires new coach
    At the end of 2015, Roger Federer split with coach Stefan Edberg after two years working together. The Swiss said of the Swedish coach -- himself a six-time major winner -- in a statement: "You were an invaluable coach for two years & will be my idol for life."
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    Federer won 11 ATP titles in the two years he worked with Edberg, and lost three grand slam finals -- all to Novak Djokovic. Edberg said he had only initially intended to work with Federer for one year before agreeing to extend that through to the end of 2015.
    Photos: Tennis great hires new coach
    Federer won 11 ATP titles in the two years he worked with Edberg, and lost three grand slam finals -- all to Novak Djokovic. Edberg said he had only initially intended to work with Federer for one year before agreeing to extend that through to the end of 2015.
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    The 17-time grand slam champion has now hired his former on-court rival Ivan Ljubicic, who had been coaching top-10 player Milos Raonic of Canada.
    Photos: Tennis great hires new coach
    The 17-time grand slam champion has now hired his former on-court rival Ivan Ljubicic, who had been coaching top-10 player Milos Raonic of Canada.
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    Federer said ahead of the 2016 Australian Open, his first grand slam with Ljubicic: "I always believe there's new things you can learn, but there's always sometimes a way of staying motivated, staying hungry. Someone like Ivan can also help do that."
    Photos: Tennis great hires new coach
    Federer said ahead of the 2016 Australian Open, his first grand slam with Ljubicic: "I always believe there's new things you can learn, but there's always sometimes a way of staying motivated, staying hungry. Someone like Ivan can also help do that."
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    Ljubicic is one of many former stars coaching today's biggest players. Boris Becker has been working with world No. 1 Djokovic since December 2013, in which time the Serbian has won four grand slam titles to take his overall tally to 10.
    Photos: Tennis great hires new coach
    Ljubicic is one of many former stars coaching today's biggest players. Boris Becker has been working with world No. 1 Djokovic since December 2013, in which time the Serbian has won four grand slam titles to take his overall tally to 10.