Alex de Minaur already reaping the rewards from intense off-season program after perfect start to Australian Open

Twelve months after being bagelled in the final set of his Australian Open campaign, you could have forgiven Alex de Minaur for having some jitters. 

However, up against Dutchman Botic van de Zandschulp on Rod Laver Arena to kick off this year’s campaign, de Minaur looked every bit the player…