The 24-time Grand Slam champion Novak Djokovic has opted out of Serbia’s Davis Cup team after sustaining a muscular injury in his left thigh during the Australian Open.

Novak Djokovic‘s hamstring tear is not a joke and he could take two months to recover completely from it. ESPN’s Chris Fowler explained why Djokovic may end up missing the two ATP 1000 Masters events,

Novak Djokovic has retired from his Australian Open semifinal against Alexander Zverev after losing the first set in a tiebreak. Djokovic missed a regulation putaway volley on top of the net down 5-6,

Novak Djokovic is 37 and was forced to stop playing because of an injury at two of the past four Grand Slam tournaments.

Zverev will face defending Australian Open champion and No. 1 seed Jannik Sinner, who beat American Ben Shelton 7-6 (2), 6-2, 6-2, in Sunday's final. Zverev is pursuing his first major tournament title.

Djokovic is only interested in tennis' biggest prizes. He still has the game to win them, but at age 37 his body is letting him down

Novak Djokovic wrote a heartfelt message to Alexander Zverev on Instagram after his injury retirement in the Australian Open.

Of all the praise bestowed on Jannik Sinner after he won his second consecutive Australian Open championship, and third Grand Slam title overall, nothing felt as significant as the comparison made by runner-up Alexander Zverev.

Andy Murray ended his first tournament as a coach after Novak Djokovic’s semifinal exit at the Australian Open. The former World No. 1 Brit joined Nole just a few months after his retirement and made a return to Grand Slam action,

Rolex Testimonee Coco Gauff’s watch game is still strong. Speaking to the media following her defeat of Switzerland’s Belinda Bencic, she wore her Oyster Perpetual with ‘Grape’ dial, a modern version of the water-resistant, automatic watch Rolex has been making for decades. (Unfortunately, it’s no longer part of the current catalog.)

Follow reaction as Sinner retained the championship with a brilliant showing against three-time major final loser Zverev on Rod Laver in Melbourne