Even in the heat of a Grand Slam battle, Novak Djokovic was not letting go of an opportunity to play pranks. During his second-round match in Wimbledon against Stefanos Tsitsipas, the Serb played a prank on an unsuspecting ball girl during one of the changeovers in between the sets.

LONDON (AP) — Novak Djokovic knows just what it means to have to live up to lofty expectations after years of titles and trophies. He’s 39 and is a 24-time Grand Slam champion who now plays only sparingly.