When Carlos Alcaraz is on court for a training session, perhaps working on his newly revamped service motion, he's doing so to buttress a game already good enough to claim four Grand Slam titles.

The men's world No. 1 could face a two-year ban. Here's what to know about the doping proceedings against him so far

- Italy’s Jannik Sinner returns the ball to Netherlands’ Tallon Griekspoor during the Davis Cup final tennis match between Netherlands and Italy at the Martin Carpena Sports Hall in Malaga, southern Spain,

Iga Swiatek, a self-described “control freak,” is taking new precautions — including holding on to extra samples of medicine she takes, in case they need to be tested at some point — after a doping case she describes as probably the worst time in her life.

Jannik Sinner will open his campaign against Nicholas Jarry, and Novak Djokovic will face Indian-origin American player Nishesh Basavareddy in his opener.

Top-ranked Aussie de Minaur is looking for a fourth straight Grand Slam quarter-final – and a first in Melbourne – and also does not face too many obvious threats on his way t