Known for his poor behaviour on court, Australia's Nick Kyrgios was fined for an audible obscenity during an argument with the chair umpire

Shanghai Masters: Nadal stunned, Kyrgios booed off court

Kyrgios rocketed serves clocking in at more than 220 kilometres per hour in quick succession to lift his third trophy of the season

Tennis: Nick Kyrgios downs David Goffin 4-6, 6-3, 7-5 to take Japan Open

Nick Kyrgios was forced to quit the third-round of the US Open in tears due to his hip injury

Tennis: 'Ready for Davis Cup', says Australian number one Nick Kyrgios

The Australian ended Isner's 15-match winning streak and the dream to become just the fifth active player to win four consecutive titles

Atlanta Open: Nick Kyrgios dethrones defending champion John Isner to win second ATP Tour finals

The men's tennis event has already lost a host of stars either through injury, scheduling problems or worries over Zika virus

Spain's flag bearer Rafael Nadal doubtful over Rio participation

Roger Federer returns to the international team tournament in Perth for the first time since he teamed up with his now wife Mirka in 2000

Federer to open 20th pro season at Hopman Cup

Stepanek likes nothing better than to make life difficult for his more celebrated opponents

Kyrgios takes on Wimbledon's old man and mate Stepanek

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