Defending champion and top seed Jannik Sinner overcame a debilitating medical episode as well as Dane Holger Rune to reach the quarter-finals of the Australian Open for the third time with a 6-3 3-6 6-3 6-2 victory on Monday.

Local hope Alex de Minaur has suffered a thumping straight-sets Australian Open quarter-final loss to world No.1 and defending champion Jannik Sinner.

Jannik Sinner, the defending Australian Open champion, destroyed local hope Alex De Minaur in just 108 minutes.

The World No. 1, despite feeling unwell in sweltering conditions, kept up his title defense with a four-set triumph.

The 23-year-old Italian’s next opponent in Australia will be No. 13 Holger Rune, who beat Miomir Kecmanovic 6-7 (5), 6-3, 4-6, 6-4, 6-4.

Swiatek’s latest lopsided win came via a 6-1, 6-2 score line in the quarter-finals against No. 8 seed Emma Navarro on Wednesday

Jannik Sinner has played down an illness which left him “dizzy” and seeking treatment as his Australian Open title defence came under significant threat on Monday.

A leading TV presenter this week apologised on air to Novak Djokovic for mocking the 24-time Grand Slam winner and Serbian fans. Read more at straitstimes.com.

Alex de Minaur was attempting to reach his first Grand Slam semi-final but his hopes were dashed by world number 1 Jannik Sinner.

Jannik Sinner advanced to the semi-final of the men’s singles at Melbourne Park after beating homw favourite Alex de Minaur 6-3, 6-2, 6-1 at the Rod Laver Arena.

Defending champion Jannik Sinner raced into the Australian Open semi-finals on Wednesday in imperious fashion after Iga Swiatek was equally ruthless to close on a first Melbourne crown. The other semi-final is between 10-time Australian Open champion Novak Djokovic and world number two Alexander Zverev,