India, Aug. 19 -- Australian tennis star Nick Kyrgios has been provisionally suspended after testing positive for cocaine, with the 31-year-old admitting he "made a huge mistake" and taking full responsibility for the violation.

The former Wimbledon finalist submitted a sample during the Mallorca Open on June 22, which was found to contain benzoylecgonine, a metabolite of cocaine. He has been provisionally suspended since August 4.

The International Tennis Integrity Agency (ITIA) said the former world No. 13 could appeal against the provisional suspension "but has not done so to date".

Kyrgios, however, took to Instagram on Wednesday to apologise to his fans, family and sponsors, while refusing to make excuses for what happened.

He sa...