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Stefanos Tsitsipas is looking to achieve his best Grand Slam result yet at this year's Australian Open.

Tsitsipas Ready For 'Emotional' Matchup With Federer

Greek matches best Grand Slam result

Before the season, Stefanos Tsitsipas set a goal of reaching his first Grand Slam semi-final. Three weeks into the year, he's only two matches away from reaching that accomplishment.

Greece's #NextGenATP star matched his best Grand Slam performance on Friday at the Australian Open, beating two-time ATP Tour titlist Nikoloz Basilashvili 6-3, 3-6, 7-6(7), 6-4 to make the fourth round in Melbourne.

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The 20-year-old Tsitsipas stuck with his aggressive tactics that took him to the Wimbledon fourth round and helped him celebrate his maiden tour-level title last year at the Intrum Stockholm Open. Tsitsipas charged forward 23 times, winning 70 per cent of his tries.

But the Greek also played with margin – hitting 36 winners to 24 unforced errors. The big-hitting Basilashvili struck more winners (56), but he more than doubled Tsitsipas' error tally (51).

Tsitsipas had a set point while serving at 5-4 but recovered in the tie-break when he lunged to his right for a defensive get, and Basilashvili sailed a lob long. Tsitsipas, the Next Gen ATP Finals champion, didn't face a break point in the fourth and broke the Georgian in the seventh game. He will face Roger Federer for a spot in the quarter-finals. Federer beat Taylor Fritz 6-2, 7-5, 6-2.

I know the patterns that he's using a bit better now. He's serving really well, so I'm going to have to... take advantage of my returns as much as possible... Return games need to be aggressive and pressing a lot," Tsitsipas said. “He's a legend of our sport. It will be a great day facing him in one of the best arenas, Rod Laver [Arena]. I'm really excited for that match... If I thought about it now, it's insane I'm in this position where I can actually play him. It's really emotional."