The left-handed Shelton did some entertaining of his own, including earning cheers by doing a couple of push-ups after tumbling in the concluding tiebreaker, and he reached his se

Jannik Sinner takes on Ben Shelton in the Australian Open semi-finals as the world No 1 seeks to defend his title. Sinner is looking to add a third grand slam to his collection, having won last year in Melbourne and again in New York at the end of the season.