Djokovic jokes that he wants slice of Alcaraz's winnings

World number one Alcaraz has at times struggled with precision and a lack of consistency in his serving technique and has mixed it up for the opening Grand Slam of the year. Eagled-eyed fans noticed that his more compact action now bears a striking resemblance to Djokovic, who was asked about it after coasting into the second round at Melbourne Park. "As soon as I saw it, I sent him a message. I said, 'we have to speak about the copyrights'," the 24-time major winner joked. "Then when I saw him here...