MIAMI • Australian Nick Kyrgios unleashed a tirade on tennis as a "biased" and "ruined" sport on Tuesday during his fourth-round triumph at the ATP Miami Open.
The 20-year-old from Canberra defeated 51st-ranked Russian Andrey Kuznetsov 7-6 (7-3), 6-3 to become the first Australian to reach the Miami quarter-finals since Lleyton Hewitt's 2002 semi-final run.
However, Kyrgios was incensed when chair umpire Cedric Mourier gave him a code violation for hitting into the stands a ball that had been thrown to him by a ball person during the first set.
At the next change of ends, he told the umpire his action was not intentional and claimed that a star player like 14-time Grand Slam champion Rafael Nadal would not have been penalised for the same action.
"Anyone else, like Rafa did that, you would keep it cool," Kyrgios said.
"This game is biased as anything. You all know it as well. It's biased as s**t, this game. What else has it got to hide? It's ruined. Absolutely ruined."
After the match, Kyrgios said that he stood by the comments.
The youngest player ranked in the ATP's top 30 at 26th, the Australian will next face Canadian 12th seed Milos Raonic for a semi-final berth.
Off to a career-best 13-3 start that includes his first ATP title last month at Marseille, Kyrgios has a track record of making off-colour remarks.
Last year he drew almost blanket condemnation throughout the tennis world for lurid remarks about Stan Wawrinka's teenage girlfriend during a match against the Swiss in Montreal.
AGENCE FRANCE-PRESSE, THE GUARDIAN