Roger Federer lost his number one spot in ATP rankings to Rafael Nadal after a shock defeat at the Halle grass event to Borna Coric on Sunday.

Coric denied Federer his 99th title in his career when he beat him 7-6 3-6 6-2 in the Gerry Weber Open.

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Federer now drops to second spot in the ATP rankings behind Rafael Nadal.