MORE ON : Kevin Anderson

‘I managed to keep my calm’ - Simon after Maharashtra Open triumph

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Cilic, Simon return to ATP Maharashtra Open

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He's an honest guy – Djokovic defends Zverev after Finals controversy

Zverev apologises for tie-break controversy amid O2 Arena heckles

Zverev shocks Federer to reach final of ATP Finals

AFP

Djokovic makes it three wins from three at ATP Finals

Patient Zverev seizes opportunity to make amends at ATP Finals

Federer: 'Easier' to play when I'm up against it

Federer cruises into last four of ATP Finals for 15th time

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Federer back on track after dismal Thiem display