Jannik Sinner has joined Roger Federer as one of only two players to overcome a pre-Wimbledon pattern that has caught out top champions for 15 years. The piece treats it as a Wimbledon historical quirk rather than a match result, with SW19 the stage where the trend matters. For Sinner, the relevance is simple: he has cleared a rare pre-tournament hurdle that most elite players have not managed.