The first grand slam of the year has already seen some major upsets with defending champions Rafael Nadal failing to go past 65th-ranked Mackenzie McDonald in the second round. Daniil Medvedev and Alexander Zverev also have been ousted as underdog tennis players have punched above their weight to storm into the quarterfinals. Let's take a look at some of the players in the quarterfinals.
Novak Djokovic
The Tokyo 2020 Olympic semi-finalist was the highlight of the men's singles fourth round, and Djokovic made an impression despite competing while sporting a severely bandaged left leg.
Against the hometown favorite Alex de Minaur, Djokovic was dominant, winning 6-2 6-1 6-2.
He plays Russia's Andrey Rublev in the quarterfinals after his "best match of the year so far" as he aims for a record-breaking 10th men's single Australian Open victory.
Sebastian Korda
In an effort to follow in the footsteps of his father Petr, who won the 1998 Australian Open, Sebastian Korda, the 10th seed, leads the American charge.
The 22-year-old is from a family of athletes. His mother Regina (neé Rajchrtova), a former tennis world number 26 who competed in Seoul in 1988, is also a tennis player.
For a crack at the semifinals, Korda will next take on Karen Khachanov.
Stefanos Tsitsipas
The third seed, who had advanced to the pre-quarterfinals without dropping a set, faced his toughest test yet against Jannik Sinner.
The Greek tennis star won the fourth round in a five-set match after triumphing 6-4 6-4 3-6 4-6 6-3.
He will now play Jiri Lehecka in an attempt to reach the semi-finals of the Australian Open for a third time in a row.
Magda Linette
Magda Linette produced a stunning performance to get to her first Grand Slam quarterfinals.
At 30, the Polish great startled French star Caroline Garcia by defeating her 7-6(7-3) 6-4, and she will play in her first Grand Slam quarterfinal.
After defeating the fourth seed, Linette will play former world number one Karolina Pliskova of the Czech Republic next.
Aryna Sabalenka
Aryna Sabalenka, who defeated Olympic champion Belinda Bencic in the fourth round of the women's singles competition, emerged as the other unexpected quarter-finalist.
The fifth seed Swiss will play Croatia's Donna Vekic for a spot in the semi-finals. Vekic has yet to lose a set in her first seven matches of 2023.
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