求翻译：We have seen some impressive tennis in the first 5 months of 2011 that will likely result in some changes in the mens’ rankings. Djokovic dominated the hard court season and with his wins over the clay court king Nadal in Madrid and Rome, there is every reason to consider him the favorite for the Roland Garros Grand Slam. Djokovic has racked up an incredible record of 39 victories and seven tournament victories in a row and currently appears unstoppable on his bid to extend his streak.是什么意思？

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