Former world number one Rafael Nadal has reportedly refused to play with controversial Australian tennis star Nick Kyrgios in a doubles match at John McEnroe's charity event.
Eight-seeded Nadal instead played a singles match against Lleyton Hewitt of Australia.
The 29-year-old said that Kyrgios' insulting remark on Stanislas Wawrinka was completely unnecessary, news.com.au reports.
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McEnroe said Kyrgios should look to Nadal as the standard for behaviour in the sport.
Earlier, Kyrgios was handed a suspended ban and a fine by the ATP Tour for his remark against Wawrinka during their recent Rogers Cup match in Montreal.
