Alex de Minaur will play one of the most important matches of his career as he meets Jannik Sinner in the Australian Open quarter-final. The world No. 8 has never made it this far at his home Grand Slam tournament. And he's hoping to go even further to keep Australia's hopes alive in the men's singles draw.

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Alex de Minaur gave a cute nod to his fiance, Katie Boulter, after reaching his first Australian Open quarter-final. The world No. 8 downed rising star Alex Michelsen 6-0 7-6 (5) 6-3 on Monday to break new ground at his home Grand Slam tournament.

Australian star Alex de Minaur forms one half of a tennis power couple with his partner Katie Boulter. The duo both made it safely through the opening round of the Australian Open, with de Minaur rushing from his match at Rod Laver Arena to Kia Arena,

Jelena Dokic pointed to the recent success of Alex de Minaur and Katie Boulter on Thursday to slap down suggestions Stefanos Tsitsipas and Paula Badosa have struggled on the court due to their relationship. However her comments came before Boulter suffered a shock 3-6 (3-7) 6-2 2-6 loss to Veronika Kudermetova to crash out of the tournament.

British No. 1 women’s player Katie Boulter was joined by her fiancé, fellow tennis pro Alex de Minaur, as she battled into the Australian Open second-round

He’s shown what an incredible tennis player he is, and he’s ranked (in) top 10 in the world, and has been there for a whole year, which is not an easy thing to do. I’ve learnt so many different ways of becoming a better tennis player.