The Latest Breaking News from Andy Roddick

MELBOURNE: Coco Gauff's serve is coming of age, which might just be the weapon the 19-year-old needs to augment her sizzling wheels. The world No. 4's new, abbreviated action, a tweaked ball toss, beginning from halfway point, which gives her greater control and marks a consistent delivery.

19-year-old American starts Australian Open campaign with a 6-3, 6-0 win over Slovakia’s Anna Karolína Schmiedlová

The year’s final Grand Slam featured a changing of the guard on the women’s side, a strong American showing and more dominance from Novak Djokovic.

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The unseeded American Ben Shelton continued his surprise run at Flushing Meadows after seeing off Frances Tiafoe in four sets

There’s little doubt that the sport’s most elite players are still favored to take home the title. Plus, American men survive, injuries and illnesses cause problems and more.

PREVIEW: Alcaraz and Djokovic have reignited men’s tennis and are favourites to meet in the final in New York – while American star Coco Gauff is very much in form ahead of her home slam at Flushing Meadows

This year’s US Open marks 20 years since an American man last won a grand slam title. Where did it all go wrong?

The 40-year-old remains the last American man to win a Grand Slam tournament, which happened 20 years ago.