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Rafael Nadal has said that Novak Djokovic reached a higher level of performance than Roger Federer over the course of his career.
All three athletes have held the number one position at different times over recent years, but Nadal claimed that Djokovic was at times an “invincible,” opponent. #nadal #rafaelnadal #novakdjokovic #djokovic #rogerfederer #federer #tennis
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