Novak Djokovic extends record as world No. 1 after win at Madrid Open - CNN

Novak Djokovic guaranteed his record-breaking time at the top of tennis' world rankings would continue after his win at the Madrid Open.

Novak Djokovic guaranteed his record-breaking time at the top of tennis world rankings would continue after his second-round win at the Madrid Open. The Serbian star beat Gaël Monfils 6-3 6-2 on Tu… [+1836 chars]

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