‘I ran out of gas,’ says Novak Djokovic after Belgrade final defeat | Tennis News…
BELGRADE: Novak Djokovic was denied his first title of the year on Sunday, the world number one admitting he "ran out of gas" in a three sets defeat to Russia's Andrey Rublev in the final of the Serbia Open. Second seed Rublev won 6-2, 6-7…