Zverev was already heated earlier in that game, when a spectator yelled “out” during a point. Zverev complained about it to Forcadell, who asked the crowd not to shout during points. After losing the next point, Zverev was warned about showing too much frustration.

Carlos Alcaraz made his 10th career Grand Slam quarterfinals when Jack Draper retired due to injury, while American Tommy Paul also advanced at the Australian Open.

The decision unsettled Paul, the world No. 12, who said after his four-set defeat that he was unaware the automatic net cord devices were no longer in operation at Melbourne Park.

Coco Gauff is one win away from landing in her fourth semifinal in the last six Grand Slam events. The third-seeded American pulled off a three-set victory

The German could have been down two sets, but instead advanced in four to await the Alcaraz-Djokovic winner in Melbourne.

“The AO is something that connects really well with New Balance because the mix of sport and culture they have is incredible,” Evan Zeder, New Balance director of global sports marketing for tennis, tells me. “I think the AO is a perfect mix and it is just a big party.”

Alexander Zverev warned Sunday he can "do a lot of damage" at the Australian Open but is wary of "smart" quarter-final opponent Tommy Paul.

Australian Open quarterfinals are set. Four more men and women booked their spots in the final eight on Monday, including three seeded

Tommy Paul dropped just three games to surge into his third Grand Slam quarter-final with a thumping of Alejandro Davidovich Fokina at the Australian Open on Sunday.

Tommy Paul advanced to his third Grand Slam quarter ... "I'm always happy to be back in Australia and to be in the quarter-finals again. It's amazing," said Paul, who claimed three titles in ...

Shelton is the 25th American man in the Open Era man to reach the semis in Melbourne. He’s bidding to become the second straight American man to reach a Slam final after Taylor Fritz lost to Sinner in the U.S. Open final, and the first since Andy Roddick at the 2003 U.S. Open to win a major.