Novak Djokovic produced a masterclass on Monday to launch his campaign for a record-equaling sixth title at the ATP Finals as Daniil Medvedev outfought former champion Alexander Zverev.
Novak Djokovic produced a masterclass on Monday to launch his campaign for a record-equaling sixth title at the ATP Finals as Daniil Medvedev outfought former champion Alexander Zverev.