Earlier in the day, Iga Swiatek cruised past Emma Navarro 6-1, 6-2 in their Women’s Singles quarter-final while Madison Keys secured a surprising 3-6, 6-3, 6-4 victory over Elina Svitolina to set up a meeting with Swiatek tomorrow.

Alex de Minaur was given a blunt reminder on Wednesday night of the level he needs to reach if he is to ever taste victory in a grand slam tournament.

A semi-final against American Ben Shelton – the lowest-ranked player left in the draw – looms for Sinner, who will avoid 10-time champion Novak Djokovic and second seed Alexander Zverev in the last four. That draw and this performance has brought him tantalisingly close to defending his Australian Open crown.

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.

Question marks are lingering over Jannik Sinner and Alex de Minaur's Australian Open quarter final as rumours continue to swirl over the Italian's health.

Alex de Minaur is facing off with top seed and defending champion Jannik Sinner for a spot in the Australian Open semifinals against American Ben Shelton. Follow live.

Top seed and defending champion Jannik Sinner crushes the hopes of home favourite Alex de Minaur to set up an Australian Open semi-final date with American Ben Shelton; watch all the action from the ATP and WTA Tours on Sky Sports Tennis and Sky Sports+,

Defending champion Jannik Sinner defeats Alex de Minaur to reach Australian Open semi-finals, aiming for third major trophy.

Highlights of the Men's Quarter-final 4 match between Jannik Sinner and Alex de Minaur taking place at Melbourne Park, Melbourne

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

Wednesday should have been a overwhelmingly positive day for Ben Shelton after he reached his second Grand Slam semi-final. However, the 22-year-old decided to use his press conference to hit out